21314930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{397}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 48142080

約数和(自身を除く): 26827150

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 59, 65, 70, 91, 118, 130, 182, 295, 397, 413, 455, 590, 767, 794, 826, 910, 1534, 1985, 2065, 2779, 3835, 3970, 4130, 5161, 5369, 5558, 7670, 10322, 10738, 13895, 23423, 25805, 26845, 27790, 36127, 46846, 51610, 53690, 72254, 117115, 163961, 180635, 234230, 304499, 327922, 361270, 608998, 819805, 1522495, 1639610, 2131493, 3044990, 4262986, 10657465, 21314930]

約数ペア:

[(1, 21314930), (2, 10657465), (5, 4262986), (7, 3044990), (10, 2131493), (13, 1639610), (14, 1522495), (26, 819805), (35, 608998), (59, 361270), (65, 327922), (70, 304499), (91, 234230), (118, 180635), (130, 163961), (182, 117115), (295, 72254), (397, 53690), (413, 51610), (455, 46846), (590, 36127), (767, 27790), (794, 26845), (826, 25805), (910, 23423), (1534, 13895), (1985, 10738), (2065, 10322), (2779, 7670), (3835, 5558), (3970, 5369), (4130, 5161)]