21462350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 50621760

約数和(自身を除く): 29159410

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 53, 65, 70, 89, 91, 106, 130, 175, 178, 182, 265, 325, 350, 371, 445, 455, 530, 623, 650, 689, 742, 890, 910, 1157, 1246, 1325, 1378, 1855, 2225, 2275, 2314, 2650, 3115, 3445, 3710, 4450, 4550, 4717, 4823, 5785, 6230, 6890, 8099, 9275, 9434, 9646, 11570, 15575, 16198, 17225, 18550, 23585, 24115, 28925, 31150, 33019, 34450, 40495, 47170, 48230, 57850, 61321, 66038, 80990, 117925, 120575, 122642, 165095, 202475, 235850, 241150, 306605, 330190, 404950, 429247, 613210, 825475, 858494, 1533025, 1650950, 2146235, 3066050, 4292470, 10731175, 21462350]

約数ペア:

[(1, 21462350), (2, 10731175), (5, 4292470), (7, 3066050), (10, 2146235), (13, 1650950), (14, 1533025), (25, 858494), (26, 825475), (35, 613210), (50, 429247), (53, 404950), (65, 330190), (70, 306605), (89, 241150), (91, 235850), (106, 202475), (130, 165095), (175, 122642), (178, 120575), (182, 117925), (265, 80990), (325, 66038), (350, 61321), (371, 57850), (445, 48230), (455, 47170), (530, 40495), (623, 34450), (650, 33019), (689, 31150), (742, 28925), (890, 24115), (910, 23585), (1157, 18550), (1246, 17225), (1325, 16198), (1378, 15575), (1855, 11570), (2225, 9646), (2275, 9434), (2314, 9275), (2650, 8099), (3115, 6890), (3445, 6230), (3710, 5785), (4450, 4823), (4550, 4717)]