21212388

素因数分解:

$2^2\times 3^3\times {\mathrm{59}}^1\times {\mathrm{3329}}^1$

素因数の和:3401

約数の個数: 48

約数和(自身を含む): 55944000

約数和(自身を除く): 34731612

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 59, 108, 118, 177, 236, 354, 531, 708, 1062, 1593, 2124, 3186, 3329, 6372, 6658, 9987, 13316, 19974, 29961, 39948, 59922, 89883, 119844, 179766, 196411, 359532, 392822, 589233, 785644, 1178466, 1767699, 2356932, 3535398, 5303097, 7070796, 10606194, 21212388]

約数ペア:

[(1, 21212388), (2, 10606194), (3, 7070796), (4, 5303097), (6, 3535398), (9, 2356932), (12, 1767699), (18, 1178466), (27, 785644), (36, 589233), (54, 392822), (59, 359532), (108, 196411), (118, 179766), (177, 119844), (236, 89883), (354, 59922), (531, 39948), (708, 29961), (1062, 19974), (1593, 13316), (2124, 9987), (3186, 6658), (3329, 6372)]