21726120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1$

素因数の和:779

約数の個数: 128

約数和(自身を含む): 73987200

約数和(自身を除く): 52261080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 733, 741, 760, 780, 988, 1140, 1235, 1466, 1482, 1560, 1976, 2199, 2280, 2470, 2932, 2964, 3665, 3705, 4398, 4940, 5864, 5928, 7330, 7410, 8796, 9529, 9880, 10995, 13927, 14660, 14820, 17592, 19058, 21990, 27854, 28587, 29320, 29640, 38116, 41781, 43980, 47645, 55708, 57174, 69635, 76232, 83562, 87960, 95290, 111416, 114348, 139270, 142935, 167124, 181051, 190580, 208905, 228696, 278540, 285870, 334248, 362102, 381160, 417810, 543153, 557080, 571740, 724204, 835620, 905255, 1086306, 1143480, 1448408, 1671240, 1810510, 2172612, 2715765, 3621020, 4345224, 5431530, 7242040, 10863060, 21726120]

約数ペア:

[(1, 21726120), (2, 10863060), (3, 7242040), (4, 5431530), (5, 4345224), (6, 3621020), (8, 2715765), (10, 2172612), (12, 1810510), (13, 1671240), (15, 1448408), (19, 1143480), (20, 1086306), (24, 905255), (26, 835620), (30, 724204), (38, 571740), (39, 557080), (40, 543153), (52, 417810), (57, 381160), (60, 362102), (65, 334248), (76, 285870), (78, 278540), (95, 228696), (104, 208905), (114, 190580), (120, 181051), (130, 167124), (152, 142935), (156, 139270), (190, 114348), (195, 111416), (228, 95290), (247, 87960), (260, 83562), (285, 76232), (312, 69635), (380, 57174), (390, 55708), (456, 47645), (494, 43980), (520, 41781), (570, 38116), (733, 29640), (741, 29320), (760, 28587), (780, 27854), (988, 21990), (1140, 19058), (1235, 17592), (1466, 14820), (1482, 14660), (1560, 13927), (1976, 10995), (2199, 9880), (2280, 9529), (2470, 8796), (2932, 7410), (2964, 7330), (3665, 5928), (3705, 5864), (4398, 4940)]