21195630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:222

約数の個数: 96

約数和(自身を含む): 58226688

約数和(自身を除く): 37031058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 71, 90, 93, 107, 142, 155, 186, 213, 214, 279, 310, 321, 355, 426, 465, 535, 558, 639, 642, 710, 930, 963, 1065, 1070, 1278, 1395, 1605, 1926, 2130, 2201, 2790, 3195, 3210, 3317, 4402, 4815, 6390, 6603, 6634, 7597, 9630, 9951, 11005, 13206, 15194, 16585, 19809, 19902, 22010, 22791, 29853, 33015, 33170, 37985, 39618, 45582, 49755, 59706, 66030, 68373, 75970, 99045, 99510, 113955, 136746, 149265, 198090, 227910, 235507, 298530, 341865, 471014, 683730, 706521, 1177535, 1413042, 2119563, 2355070, 3532605, 4239126, 7065210, 10597815, 21195630]

約数ペア:

[(1, 21195630), (2, 10597815), (3, 7065210), (5, 4239126), (6, 3532605), (9, 2355070), (10, 2119563), (15, 1413042), (18, 1177535), (30, 706521), (31, 683730), (45, 471014), (62, 341865), (71, 298530), (90, 235507), (93, 227910), (107, 198090), (142, 149265), (155, 136746), (186, 113955), (213, 99510), (214, 99045), (279, 75970), (310, 68373), (321, 66030), (355, 59706), (426, 49755), (465, 45582), (535, 39618), (558, 37985), (639, 33170), (642, 33015), (710, 29853), (930, 22791), (963, 22010), (1065, 19902), (1070, 19809), (1278, 16585), (1395, 15194), (1605, 13206), (1926, 11005), (2130, 9951), (2201, 9630), (2790, 7597), (3195, 6634), (3210, 6603), (3317, 6390), (4402, 4815)]