21969480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14083}}^1$

素因数の和:14110

約数の個数: 64

約数和(自身を含む): 70983360

約数和(自身を除く): 49013880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 14083, 28166, 42249, 56332, 70415, 84498, 112664, 140830, 168996, 183079, 211245, 281660, 337992, 366158, 422490, 549237, 563320, 732316, 844980, 915395, 1098474, 1464632, 1689960, 1830790, 2196948, 2746185, 3661580, 4393896, 5492370, 7323160, 10984740, 21969480]

約数ペア:

[(1, 21969480), (2, 10984740), (3, 7323160), (4, 5492370), (5, 4393896), (6, 3661580), (8, 2746185), (10, 2196948), (12, 1830790), (13, 1689960), (15, 1464632), (20, 1098474), (24, 915395), (26, 844980), (30, 732316), (39, 563320), (40, 549237), (52, 422490), (60, 366158), (65, 337992), (78, 281660), (104, 211245), (120, 183079), (130, 168996), (156, 140830), (195, 112664), (260, 84498), (312, 70415), (390, 56332), (520, 42249), (780, 28166), (1560, 14083)]