21633950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:509

約数の個数: 48

約数和(自身を含む): 43965936

約数和(自身を除く): 22331986

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 130, 166, 325, 401, 415, 650, 802, 830, 1079, 2005, 2075, 2158, 4010, 4150, 5213, 5395, 10025, 10426, 10790, 20050, 26065, 26975, 33283, 52130, 53950, 66566, 130325, 166415, 260650, 332830, 432679, 832075, 865358, 1664150, 2163395, 4326790, 10816975, 21633950]

約数ペア:

[(1, 21633950), (2, 10816975), (5, 4326790), (10, 2163395), (13, 1664150), (25, 865358), (26, 832075), (50, 432679), (65, 332830), (83, 260650), (130, 166415), (166, 130325), (325, 66566), (401, 53950), (415, 52130), (650, 33283), (802, 26975), (830, 26065), (1079, 20050), (2005, 10790), (2075, 10426), (2158, 10025), (4010, 5395), (4150, 5213)]