21472284

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 51978528

約数和(自身を除く): 30506244

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 137, 148, 222, 274, 353, 411, 444, 548, 706, 822, 1059, 1412, 1644, 2118, 4236, 5069, 10138, 13061, 15207, 20276, 26122, 30414, 39183, 48361, 52244, 60828, 78366, 96722, 145083, 156732, 193444, 290166, 580332, 1789357, 3578714, 5368071, 7157428, 10736142, 21472284]

約数ペア:

[(1, 21472284), (2, 10736142), (3, 7157428), (4, 5368071), (6, 3578714), (12, 1789357), (37, 580332), (74, 290166), (111, 193444), (137, 156732), (148, 145083), (222, 96722), (274, 78366), (353, 60828), (411, 52244), (444, 48361), (548, 39183), (706, 30414), (822, 26122), (1059, 20276), (1412, 15207), (1644, 13061), (2118, 10138), (4236, 5069)]