21933520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{739}}^1$

素因数の和:812

約数の個数: 80

約数和(自身を含む): 59460480

約数和(自身を除く): 37526960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 739, 742, 848, 1060, 1478, 1484, 1855, 2120, 2956, 2968, 3695, 3710, 4240, 5173, 5912, 5936, 7390, 7420, 10346, 11824, 14780, 14840, 20692, 25865, 29560, 29680, 39167, 41384, 51730, 59120, 78334, 82768, 103460, 156668, 195835, 206920, 274169, 313336, 391670, 413840, 548338, 626672, 783340, 1096676, 1370845, 1566680, 2193352, 2741690, 3133360, 4386704, 5483380, 10966760, 21933520]

約数ペア:

[(1, 21933520), (2, 10966760), (4, 5483380), (5, 4386704), (7, 3133360), (8, 2741690), (10, 2193352), (14, 1566680), (16, 1370845), (20, 1096676), (28, 783340), (35, 626672), (40, 548338), (53, 413840), (56, 391670), (70, 313336), (80, 274169), (106, 206920), (112, 195835), (140, 156668), (212, 103460), (265, 82768), (280, 78334), (371, 59120), (424, 51730), (530, 41384), (560, 39167), (739, 29680), (742, 29560), (848, 25865), (1060, 20692), (1478, 14840), (1484, 14780), (1855, 11824), (2120, 10346), (2956, 7420), (2968, 7390), (3695, 5936), (3710, 5912), (4240, 5173)]