21864592

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1013}}^1$

素因数の和:1111

約数の個数: 40

約数和(自身を含む): 45264960

約数和(自身を除く): 23400368

約数列:

[1, 2, 4, 8, 16, 19, 38, 71, 76, 142, 152, 284, 304, 568, 1013, 1136, 1349, 2026, 2698, 4052, 5396, 8104, 10792, 16208, 19247, 21584, 38494, 71923, 76988, 143846, 153976, 287692, 307952, 575384, 1150768, 1366537, 2733074, 5466148, 10932296, 21864592]

約数ペア:

[(1, 21864592), (2, 10932296), (4, 5466148), (8, 2733074), (16, 1366537), (19, 1150768), (38, 575384), (71, 307952), (76, 287692), (142, 153976), (152, 143846), (284, 76988), (304, 71923), (568, 38494), (1013, 21584), (1136, 19247), (1349, 16208), (2026, 10792), (2698, 8104), (4052, 5396)]