21435700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1499}}^1$

素因数の和:1537

約数の個数: 72

約数和(自身を含む): 54684000

約数和(自身を除く): 33248300

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 130, 143, 220, 260, 275, 286, 325, 550, 572, 650, 715, 1100, 1300, 1430, 1499, 2860, 2998, 3575, 5996, 7150, 7495, 14300, 14990, 16489, 19487, 29980, 32978, 37475, 38974, 65956, 74950, 77948, 82445, 97435, 149900, 164890, 194870, 214357, 329780, 389740, 412225, 428714, 487175, 824450, 857428, 974350, 1071785, 1648900, 1948700, 2143570, 4287140, 5358925, 10717850, 21435700]

約数ペア:

[(1, 21435700), (2, 10717850), (4, 5358925), (5, 4287140), (10, 2143570), (11, 1948700), (13, 1648900), (20, 1071785), (22, 974350), (25, 857428), (26, 824450), (44, 487175), (50, 428714), (52, 412225), (55, 389740), (65, 329780), (100, 214357), (110, 194870), (130, 164890), (143, 149900), (220, 97435), (260, 82445), (275, 77948), (286, 74950), (325, 65956), (550, 38974), (572, 37475), (650, 32978), (715, 29980), (1100, 19487), (1300, 16489), (1430, 14990), (1499, 14300), (2860, 7495), (2998, 7150), (3575, 5996)]