21294200

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6263}}^1$

素因数の和:6296

約数の個数: 48

約数和(自身を含む): 52429680

約数和(自身を除く): 31135480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 6263, 12526, 25052, 31315, 50104, 62630, 106471, 125260, 156575, 212942, 250520, 313150, 425884, 532355, 626300, 851768, 1064710, 1252600, 2129420, 2661775, 4258840, 5323550, 10647100, 21294200]

約数ペア:

[(1, 21294200), (2, 10647100), (4, 5323550), (5, 4258840), (8, 2661775), (10, 2129420), (17, 1252600), (20, 1064710), (25, 851768), (34, 626300), (40, 532355), (50, 425884), (68, 313150), (85, 250520), (100, 212942), (136, 156575), (170, 125260), (200, 106471), (340, 62630), (425, 50104), (680, 31315), (850, 25052), (1700, 12526), (3400, 6263)]