21638100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:190

約数の個数: 144

約数和(自身を含む): 69995520

約数和(自身を除く): 48357420

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 25, 30, 33, 44, 50, 55, 60, 66, 75, 79, 83, 100, 110, 132, 150, 158, 165, 166, 220, 237, 249, 275, 300, 316, 330, 332, 395, 415, 474, 498, 550, 660, 790, 825, 830, 869, 913, 948, 996, 1100, 1185, 1245, 1580, 1650, 1660, 1738, 1826, 1975, 2075, 2370, 2490, 2607, 2739, 3300, 3476, 3652, 3950, 4150, 4345, 4565, 4740, 4980, 5214, 5478, 5925, 6225, 6557, 7900, 8300, 8690, 9130, 10428, 10956, 11850, 12450, 13035, 13114, 13695, 17380, 18260, 19671, 21725, 22825, 23700, 24900, 26070, 26228, 27390, 32785, 39342, 43450, 45650, 52140, 54780, 65175, 65570, 68475, 72127, 78684, 86900, 91300, 98355, 130350, 131140, 136950, 144254, 163925, 196710, 216381, 260700, 273900, 288508, 327850, 360635, 393420, 432762, 491775, 655700, 721270, 865524, 983550, 1081905, 1442540, 1803175, 1967100, 2163810, 3606350, 4327620, 5409525, 7212700, 10819050, 21638100]

約数ペア:

[(1, 21638100), (2, 10819050), (3, 7212700), (4, 5409525), (5, 4327620), (6, 3606350), (10, 2163810), (11, 1967100), (12, 1803175), (15, 1442540), (20, 1081905), (22, 983550), (25, 865524), (30, 721270), (33, 655700), (44, 491775), (50, 432762), (55, 393420), (60, 360635), (66, 327850), (75, 288508), (79, 273900), (83, 260700), (100, 216381), (110, 196710), (132, 163925), (150, 144254), (158, 136950), (165, 131140), (166, 130350), (220, 98355), (237, 91300), (249, 86900), (275, 78684), (300, 72127), (316, 68475), (330, 65570), (332, 65175), (395, 54780), (415, 52140), (474, 45650), (498, 43450), (550, 39342), (660, 32785), (790, 27390), (825, 26228), (830, 26070), (869, 24900), (913, 23700), (948, 22825), (996, 21725), (1100, 19671), (1185, 18260), (1245, 17380), (1580, 13695), (1650, 13114), (1660, 13035), (1738, 12450), (1826, 11850), (1975, 10956), (2075, 10428), (2370, 9130), (2490, 8690), (2607, 8300), (2739, 7900), (3300, 6557), (3476, 6225), (3652, 5925), (3950, 5478), (4150, 5214), (4345, 4980), (4565, 4740)]