21898400

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{883}}^1$

素因数の和:934

約数の個数: 72

約数和(自身を含む): 55246464

約数和(自身を除く): 33348064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 80, 100, 124, 155, 160, 200, 248, 310, 400, 496, 620, 775, 800, 883, 992, 1240, 1550, 1766, 2480, 3100, 3532, 4415, 4960, 6200, 7064, 8830, 12400, 14128, 17660, 22075, 24800, 27373, 28256, 35320, 44150, 54746, 70640, 88300, 109492, 136865, 141280, 176600, 218984, 273730, 353200, 437968, 547460, 684325, 706400, 875936, 1094920, 1368650, 2189840, 2737300, 4379680, 5474600, 10949200, 21898400]

約数ペア:

[(1, 21898400), (2, 10949200), (4, 5474600), (5, 4379680), (8, 2737300), (10, 2189840), (16, 1368650), (20, 1094920), (25, 875936), (31, 706400), (32, 684325), (40, 547460), (50, 437968), (62, 353200), (80, 273730), (100, 218984), (124, 176600), (155, 141280), (160, 136865), (200, 109492), (248, 88300), (310, 70640), (400, 54746), (496, 44150), (620, 35320), (775, 28256), (800, 27373), (883, 24800), (992, 22075), (1240, 17660), (1550, 14128), (1766, 12400), (2480, 8830), (3100, 7064), (3532, 6200), (4415, 4960)]