21562860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{883}}^1$

素因数の和:943

約数の個数: 96

約数和(自身を含む): 67721472

約数和(自身を除く): 46158612

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 37, 44, 55, 60, 66, 74, 110, 111, 132, 148, 165, 185, 220, 222, 330, 370, 407, 444, 555, 660, 740, 814, 883, 1110, 1221, 1628, 1766, 2035, 2220, 2442, 2649, 3532, 4070, 4415, 4884, 5298, 6105, 8140, 8830, 9713, 10596, 12210, 13245, 17660, 19426, 24420, 26490, 29139, 32671, 38852, 48565, 52980, 58278, 65342, 97130, 98013, 116556, 130684, 145695, 163355, 194260, 196026, 291390, 326710, 359381, 392052, 490065, 582780, 653420, 718762, 980130, 1078143, 1437524, 1796905, 1960260, 2156286, 3593810, 4312572, 5390715, 7187620, 10781430, 21562860]

約数ペア:

[(1, 21562860), (2, 10781430), (3, 7187620), (4, 5390715), (5, 4312572), (6, 3593810), (10, 2156286), (11, 1960260), (12, 1796905), (15, 1437524), (20, 1078143), (22, 980130), (30, 718762), (33, 653420), (37, 582780), (44, 490065), (55, 392052), (60, 359381), (66, 326710), (74, 291390), (110, 196026), (111, 194260), (132, 163355), (148, 145695), (165, 130684), (185, 116556), (220, 98013), (222, 97130), (330, 65342), (370, 58278), (407, 52980), (444, 48565), (555, 38852), (660, 32671), (740, 29139), (814, 26490), (883, 24420), (1110, 19426), (1221, 17660), (1628, 13245), (1766, 12210), (2035, 10596), (2220, 9713), (2442, 8830), (2649, 8140), (3532, 6105), (4070, 5298), (4415, 4884)]