21152340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1187}}^1$

素因数の和:1219

約数の個数: 120

約数和(自身を含む): 72448992

約数和(自身を除く): 51296652

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 132, 135, 162, 165, 180, 198, 220, 270, 297, 324, 330, 396, 405, 495, 540, 594, 660, 810, 891, 990, 1187, 1188, 1485, 1620, 1782, 1980, 2374, 2970, 3561, 3564, 4455, 4748, 5935, 5940, 7122, 8910, 10683, 11870, 13057, 14244, 17805, 17820, 21366, 23740, 26114, 32049, 35610, 39171, 42732, 52228, 53415, 64098, 65285, 71220, 78342, 96147, 106830, 117513, 128196, 130570, 156684, 160245, 192294, 195855, 213660, 235026, 261140, 320490, 352539, 384588, 391710, 470052, 480735, 587565, 640980, 705078, 783420, 961470, 1057617, 1175130, 1410156, 1762695, 1922940, 2115234, 2350260, 3525390, 4230468, 5288085, 7050780, 10576170, 21152340]

約数ペア:

[(1, 21152340), (2, 10576170), (3, 7050780), (4, 5288085), (5, 4230468), (6, 3525390), (9, 2350260), (10, 2115234), (11, 1922940), (12, 1762695), (15, 1410156), (18, 1175130), (20, 1057617), (22, 961470), (27, 783420), (30, 705078), (33, 640980), (36, 587565), (44, 480735), (45, 470052), (54, 391710), (55, 384588), (60, 352539), (66, 320490), (81, 261140), (90, 235026), (99, 213660), (108, 195855), (110, 192294), (132, 160245), (135, 156684), (162, 130570), (165, 128196), (180, 117513), (198, 106830), (220, 96147), (270, 78342), (297, 71220), (324, 65285), (330, 64098), (396, 53415), (405, 52228), (495, 42732), (540, 39171), (594, 35610), (660, 32049), (810, 26114), (891, 23740), (990, 21366), (1187, 17820), (1188, 17805), (1485, 14244), (1620, 13057), (1782, 11870), (1980, 10683), (2374, 8910), (2970, 7122), (3561, 5940), (3564, 5935), (4455, 4748)]