21003702900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{137}}^1\times {\mathrm{511039}}^1$

素因数の和:511193

約数の個数: 72

約数和(自身を含む): 61214415360

約数和(自身を除く): 40210712460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 137, 150, 274, 300, 411, 548, 685, 822, 1370, 1644, 2055, 2740, 3425, 4110, 6850, 8220, 10275, 13700, 20550, 41100, 511039, 1022078, 1533117, 2044156, 2555195, 3066234, 5110390, 6132468, 7665585, 10220780, 12775975, 15331170, 25551950, 30662340, 38327925, 51103900, 70012343, 76655850, 140024686, 153311700, 210037029, 280049372, 350061715, 420074058, 700123430, 840148116, 1050185145, 1400246860, 1750308575, 2100370290, 3500617150, 4200740580, 5250925725, 7001234300, 10501851450, 21003702900]

約数ペア:

[(1, 21003702900), (2, 10501851450), (3, 7001234300), (4, 5250925725), (5, 4200740580), (6, 3500617150), (10, 2100370290), (12, 1750308575), (15, 1400246860), (20, 1050185145), (25, 840148116), (30, 700123430), (50, 420074058), (60, 350061715), (75, 280049372), (100, 210037029), (137, 153311700), (150, 140024686), (274, 76655850), (300, 70012343), (411, 51103900), (548, 38327925), (685, 30662340), (822, 25551950), (1370, 15331170), (1644, 12775975), (2055, 10220780), (2740, 7665585), (3425, 6132468), (4110, 5110390), (6850, 3066234), (8220, 2555195), (10275, 2044156), (13700, 1533117), (20550, 1022078), (41100, 511039)]