21961992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1637}}^1$

素因数の和:1702

約数の個数: 64

約数和(自身を含む): 60540480

約数和(自身を除く): 38578488

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1637, 1677, 2236, 3274, 3354, 4472, 4911, 6548, 6708, 9822, 13096, 13416, 19644, 21281, 39288, 42562, 63843, 70391, 85124, 127686, 140782, 170248, 211173, 255372, 281564, 422346, 510744, 563128, 844692, 915083, 1689384, 1830166, 2745249, 3660332, 5490498, 7320664, 10980996, 21961992]

約数ペア:

[(1, 21961992), (2, 10980996), (3, 7320664), (4, 5490498), (6, 3660332), (8, 2745249), (12, 1830166), (13, 1689384), (24, 915083), (26, 844692), (39, 563128), (43, 510744), (52, 422346), (78, 281564), (86, 255372), (104, 211173), (129, 170248), (156, 140782), (172, 127686), (258, 85124), (312, 70391), (344, 63843), (516, 42562), (559, 39288), (1032, 21281), (1118, 19644), (1637, 13416), (1677, 13096), (2236, 9822), (3274, 6708), (3354, 6548), (4472, 4911)]