21655402

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 36273600

約数和(自身を除く): 14618198

約数列:

[1, 2, 19, 29, 38, 43, 58, 86, 457, 551, 817, 914, 1102, 1247, 1634, 2494, 8683, 13253, 17366, 19651, 23693, 26506, 39302, 47386, 251807, 373369, 503614, 569879, 746738, 1139758, 10827701, 21655402]

約数ペア:

[(1, 21655402), (2, 10827701), (19, 1139758), (29, 746738), (38, 569879), (43, 503614), (58, 373369), (86, 251807), (457, 47386), (551, 39302), (817, 26506), (914, 23693), (1102, 19651), (1247, 17366), (1634, 13253), (2494, 8683)]