21116700

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1$

素因数の和:119

約数の個数: 216

約数和(自身を含む): 75828480

約数和(自身を除く): 54711780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 75, 79, 81, 90, 99, 100, 108, 110, 132, 135, 150, 158, 162, 165, 180, 198, 220, 225, 237, 243, 270, 275, 297, 300, 316, 324, 330, 395, 396, 405, 450, 474, 486, 495, 540, 550, 594, 660, 675, 711, 790, 810, 825, 869, 891, 900, 948, 972, 990, 1100, 1185, 1188, 1215, 1350, 1422, 1485, 1580, 1620, 1650, 1738, 1782, 1975, 1980, 2025, 2133, 2370, 2430, 2475, 2607, 2673, 2700, 2844, 2970, 3300, 3476, 3555, 3564, 3950, 4050, 4266, 4345, 4455, 4740, 4860, 4950, 5214, 5346, 5925, 5940, 6075, 6399, 7110, 7425, 7821, 7900, 8100, 8532, 8690, 8910, 9900, 10428, 10665, 10692, 11850, 12150, 12798, 13035, 13365, 14220, 14850, 15642, 17380, 17775, 17820, 19197, 21330, 21725, 22275, 23463, 23700, 24300, 25596, 26070, 26730, 29700, 31284, 31995, 35550, 38394, 39105, 42660, 43450, 44550, 46926, 52140, 53325, 53460, 63990, 65175, 66825, 70389, 71100, 76788, 78210, 86900, 89100, 93852, 95985, 106650, 117315, 127980, 130350, 133650, 140778, 156420, 159975, 191970, 195525, 211167, 213300, 234630, 260700, 267300, 281556, 319950, 351945, 383940, 391050, 422334, 469260, 479925, 586575, 639900, 703890, 782100, 844668, 959850, 1055835, 1173150, 1407780, 1759725, 1919700, 2111670, 2346300, 3519450, 4223340, 5279175, 7038900, 10558350, 21116700]

約数ペア:

[(1, 21116700), (2, 10558350), (3, 7038900), (4, 5279175), (5, 4223340), (6, 3519450), (9, 2346300), (10, 2111670), (11, 1919700), (12, 1759725), (15, 1407780), (18, 1173150), (20, 1055835), (22, 959850), (25, 844668), (27, 782100), (30, 703890), (33, 639900), (36, 586575), (44, 479925), (45, 469260), (50, 422334), (54, 391050), (55, 383940), (60, 351945), (66, 319950), (75, 281556), (79, 267300), (81, 260700), (90, 234630), (99, 213300), (100, 211167), (108, 195525), (110, 191970), (132, 159975), (135, 156420), (150, 140778), (158, 133650), (162, 130350), (165, 127980), (180, 117315), (198, 106650), (220, 95985), (225, 93852), (237, 89100), (243, 86900), (270, 78210), (275, 76788), (297, 71100), (300, 70389), (316, 66825), (324, 65175), (330, 63990), (395, 53460), (396, 53325), (405, 52140), (450, 46926), (474, 44550), (486, 43450), (495, 42660), (540, 39105), (550, 38394), (594, 35550), (660, 31995), (675, 31284), (711, 29700), (790, 26730), (810, 26070), (825, 25596), (869, 24300), (891, 23700), (900, 23463), (948, 22275), (972, 21725), (990, 21330), (1100, 19197), (1185, 17820), (1188, 17775), (1215, 17380), (1350, 15642), (1422, 14850), (1485, 14220), (1580, 13365), (1620, 13035), (1650, 12798), (1738, 12150), (1782, 11850), (1975, 10692), (1980, 10665), (2025, 10428), (2133, 9900), (2370, 8910), (2430, 8690), (2475, 8532), (2607, 8100), (2673, 7900), (2700, 7821), (2844, 7425), (2970, 7110), (3300, 6399), (3476, 6075), (3555, 5940), (3564, 5925), (3950, 5346), (4050, 5214), (4266, 4950), (4345, 4860), (4455, 4740)]