21544950

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 65781504

約数和(自身を除く): 44236554

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 17, 21, 25, 30, 34, 35, 42, 50, 51, 70, 71, 75, 85, 102, 105, 119, 142, 150, 170, 175, 210, 213, 238, 255, 289, 350, 355, 357, 425, 426, 497, 510, 525, 578, 595, 710, 714, 850, 867, 994, 1050, 1065, 1190, 1207, 1275, 1445, 1491, 1734, 1775, 1785, 2023, 2130, 2414, 2485, 2550, 2890, 2975, 2982, 3550, 3570, 3621, 4046, 4335, 4970, 5325, 5950, 6035, 6069, 7225, 7242, 7455, 8449, 8670, 8925, 10115, 10650, 12070, 12138, 12425, 14450, 14910, 16898, 17850, 18105, 20230, 20519, 21675, 24850, 25347, 30175, 30345, 36210, 37275, 41038, 42245, 43350, 50575, 50694, 60350, 60690, 61557, 74550, 84490, 90525, 101150, 102595, 123114, 126735, 143633, 151725, 181050, 205190, 211225, 253470, 287266, 303450, 307785, 422450, 430899, 512975, 615570, 633675, 718165, 861798, 1025950, 1267350, 1436330, 1538925, 2154495, 3077850, 3590825, 4308990, 7181650, 10772475, 21544950]

約数ペア:

[(1, 21544950), (2, 10772475), (3, 7181650), (5, 4308990), (6, 3590825), (7, 3077850), (10, 2154495), (14, 1538925), (15, 1436330), (17, 1267350), (21, 1025950), (25, 861798), (30, 718165), (34, 633675), (35, 615570), (42, 512975), (50, 430899), (51, 422450), (70, 307785), (71, 303450), (75, 287266), (85, 253470), (102, 211225), (105, 205190), (119, 181050), (142, 151725), (150, 143633), (170, 126735), (175, 123114), (210, 102595), (213, 101150), (238, 90525), (255, 84490), (289, 74550), (350, 61557), (355, 60690), (357, 60350), (425, 50694), (426, 50575), (497, 43350), (510, 42245), (525, 41038), (578, 37275), (595, 36210), (710, 30345), (714, 30175), (850, 25347), (867, 24850), (994, 21675), (1050, 20519), (1065, 20230), (1190, 18105), (1207, 17850), (1275, 16898), (1445, 14910), (1491, 14450), (1734, 12425), (1775, 12138), (1785, 12070), (2023, 10650), (2130, 10115), (2414, 8925), (2485, 8670), (2550, 8449), (2890, 7455), (2975, 7242), (2982, 7225), (3550, 6069), (3570, 6035), (3621, 5950), (4046, 5325), (4335, 4970)]