21562340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{317}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 48081600

約数和(自身を除く): 26519260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 179, 190, 317, 358, 380, 634, 716, 895, 1268, 1585, 1790, 3170, 3401, 3580, 6023, 6340, 6802, 12046, 13604, 17005, 24092, 30115, 34010, 56743, 60230, 68020, 113486, 120460, 226972, 283715, 567430, 1078117, 1134860, 2156234, 4312468, 5390585, 10781170, 21562340]

約数ペア:

[(1, 21562340), (2, 10781170), (4, 5390585), (5, 4312468), (10, 2156234), (19, 1134860), (20, 1078117), (38, 567430), (76, 283715), (95, 226972), (179, 120460), (190, 113486), (317, 68020), (358, 60230), (380, 56743), (634, 34010), (716, 30115), (895, 24092), (1268, 17005), (1585, 13604), (1790, 12046), (3170, 6802), (3401, 6340), (3580, 6023)]