21011864

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3593}}^1$

素因数の和:3659

約数の個数: 32

約数和(自身を含む): 42696720

約数和(自身を除く): 21684856

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 344, 731, 1462, 2924, 3593, 5848, 7186, 14372, 28744, 61081, 122162, 154499, 244324, 308998, 488648, 617996, 1235992, 2626483, 5252966, 10505932, 21011864]

約数ペア:

[(1, 21011864), (2, 10505932), (4, 5252966), (8, 2626483), (17, 1235992), (34, 617996), (43, 488648), (68, 308998), (86, 244324), (136, 154499), (172, 122162), (344, 61081), (731, 28744), (1462, 14372), (2924, 7186), (3593, 5848)]