21096512

素因数分解:

$2^6\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1$

素因数の和:259

約数の個数: 56

約数和(自身を含む): 44013120

約数和(自身を除く): 22916608

約数列:

[1, 2, 4, 8, 16, 32, 37, 59, 64, 74, 118, 148, 151, 236, 296, 302, 472, 592, 604, 944, 1184, 1208, 1888, 2183, 2368, 2416, 3776, 4366, 4832, 5587, 8732, 8909, 9664, 11174, 17464, 17818, 22348, 34928, 35636, 44696, 69856, 71272, 89392, 139712, 142544, 178784, 285088, 329633, 357568, 570176, 659266, 1318532, 2637064, 5274128, 10548256, 21096512]

約数ペア:

[(1, 21096512), (2, 10548256), (4, 5274128), (8, 2637064), (16, 1318532), (32, 659266), (37, 570176), (59, 357568), (64, 329633), (74, 285088), (118, 178784), (148, 142544), (151, 139712), (236, 89392), (296, 71272), (302, 69856), (472, 44696), (592, 35636), (604, 34928), (944, 22348), (1184, 17818), (1208, 17464), (1888, 11174), (2183, 9664), (2368, 8909), (2416, 8732), (3776, 5587), (4366, 4832)]