21803064

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{571}}^1$

素因数の和:660

約数の個数: 64

約数和(自身を含む): 57383040

約数和(自身を除く): 35579976

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 43, 74, 86, 111, 129, 148, 172, 222, 258, 296, 344, 444, 516, 571, 888, 1032, 1142, 1591, 1713, 2284, 3182, 3426, 4568, 4773, 6364, 6852, 9546, 12728, 13704, 19092, 21127, 24553, 38184, 42254, 49106, 63381, 73659, 84508, 98212, 126762, 147318, 169016, 196424, 253524, 294636, 507048, 589272, 908461, 1816922, 2725383, 3633844, 5450766, 7267688, 10901532, 21803064]

約数ペア:

[(1, 21803064), (2, 10901532), (3, 7267688), (4, 5450766), (6, 3633844), (8, 2725383), (12, 1816922), (24, 908461), (37, 589272), (43, 507048), (74, 294636), (86, 253524), (111, 196424), (129, 169016), (148, 147318), (172, 126762), (222, 98212), (258, 84508), (296, 73659), (344, 63381), (444, 49106), (516, 42254), (571, 38184), (888, 24553), (1032, 21127), (1142, 19092), (1591, 13704), (1713, 12728), (2284, 9546), (3182, 6852), (3426, 6364), (4568, 4773)]