21410145

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 38817792

約数和(自身を除く): 17407647

約数列:

[1, 3, 5, 9, 15, 45, 47, 53, 141, 159, 191, 235, 265, 423, 477, 573, 705, 795, 955, 1719, 2115, 2385, 2491, 2865, 7473, 8595, 8977, 10123, 12455, 22419, 26931, 30369, 37365, 44885, 50615, 80793, 91107, 112095, 134655, 151845, 403965, 455535, 475781, 1427343, 2378905, 4282029, 7136715, 21410145]

約数ペア:

[(1, 21410145), (3, 7136715), (5, 4282029), (9, 2378905), (15, 1427343), (45, 475781), (47, 455535), (53, 403965), (141, 151845), (159, 134655), (191, 112095), (235, 91107), (265, 80793), (423, 50615), (477, 44885), (573, 37365), (705, 30369), (795, 26931), (955, 22419), (1719, 12455), (2115, 10123), (2385, 8977), (2491, 8595), (2865, 7473)]