21355500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{619}}^1$

素因数の和:664

約数の個数: 96

約数和(自身を含む): 64995840

約数和(自身を除く): 43640340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 125, 138, 150, 230, 250, 276, 300, 345, 375, 460, 500, 575, 619, 690, 750, 1150, 1238, 1380, 1500, 1725, 1857, 2300, 2476, 2875, 3095, 3450, 3714, 5750, 6190, 6900, 7428, 8625, 9285, 11500, 12380, 14237, 15475, 17250, 18570, 28474, 30950, 34500, 37140, 42711, 46425, 56948, 61900, 71185, 77375, 85422, 92850, 142370, 154750, 170844, 185700, 213555, 232125, 284740, 309500, 355925, 427110, 464250, 711850, 854220, 928500, 1067775, 1423700, 1779625, 2135550, 3559250, 4271100, 5338875, 7118500, 10677750, 21355500]

約数ペア:

[(1, 21355500), (2, 10677750), (3, 7118500), (4, 5338875), (5, 4271100), (6, 3559250), (10, 2135550), (12, 1779625), (15, 1423700), (20, 1067775), (23, 928500), (25, 854220), (30, 711850), (46, 464250), (50, 427110), (60, 355925), (69, 309500), (75, 284740), (92, 232125), (100, 213555), (115, 185700), (125, 170844), (138, 154750), (150, 142370), (230, 92850), (250, 85422), (276, 77375), (300, 71185), (345, 61900), (375, 56948), (460, 46425), (500, 42711), (575, 37140), (619, 34500), (690, 30950), (750, 28474), (1150, 18570), (1238, 17250), (1380, 15475), (1500, 14237), (1725, 12380), (1857, 11500), (2300, 9285), (2476, 8625), (2875, 7428), (3095, 6900), (3450, 6190), (3714, 5750)]