21322470852

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{842519}}^1$

素因数の和:842585

約数の個数: 72

約数和(自身を含む): 58268683200

約数和(自身を除く): 36946212348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 37, 38, 57, 74, 76, 111, 114, 148, 171, 222, 228, 333, 342, 444, 666, 684, 703, 1332, 1406, 2109, 2812, 4218, 6327, 8436, 12654, 25308, 842519, 1685038, 2527557, 3370076, 5055114, 7582671, 10110228, 15165342, 16007861, 30330684, 31173203, 32015722, 48023583, 62346406, 64031444, 93519609, 96047166, 124692812, 144070749, 187039218, 192094332, 280558827, 288141498, 374078436, 561117654, 576282996, 592290857, 1122235308, 1184581714, 1776872571, 2369163428, 3553745142, 5330617713, 7107490284, 10661235426, 21322470852]

約数ペア:

[(1, 21322470852), (2, 10661235426), (3, 7107490284), (4, 5330617713), (6, 3553745142), (9, 2369163428), (12, 1776872571), (18, 1184581714), (19, 1122235308), (36, 592290857), (37, 576282996), (38, 561117654), (57, 374078436), (74, 288141498), (76, 280558827), (111, 192094332), (114, 187039218), (148, 144070749), (171, 124692812), (222, 96047166), (228, 93519609), (333, 64031444), (342, 62346406), (444, 48023583), (666, 32015722), (684, 31173203), (703, 30330684), (1332, 16007861), (1406, 15165342), (2109, 10110228), (2812, 7582671), (4218, 5055114), (6327, 3370076), (8436, 2527557), (12654, 1685038), (25308, 842519)]