21994860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{8941}}^1$

素因数の和:8994

約数の個数: 48

約数和(自身を含む): 63094752

約数和(自身を除く): 41099892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 820, 1230, 2460, 8941, 17882, 26823, 35764, 44705, 53646, 89410, 107292, 134115, 178820, 268230, 366581, 536460, 733162, 1099743, 1466324, 1832905, 2199486, 3665810, 4398972, 5498715, 7331620, 10997430, 21994860]

約数ペア:

[(1, 21994860), (2, 10997430), (3, 7331620), (4, 5498715), (5, 4398972), (6, 3665810), (10, 2199486), (12, 1832905), (15, 1466324), (20, 1099743), (30, 733162), (41, 536460), (60, 366581), (82, 268230), (123, 178820), (164, 134115), (205, 107292), (246, 89410), (410, 53646), (492, 44705), (615, 35764), (820, 26823), (1230, 17882), (2460, 8941)]