21913307920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{738319}}^1$

素因数の和:738392

約数の個数: 80

約数和(自身を含む): 59325488640

約数和(自身を除く): 37412180720

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, 742, 848, 1060, 1484, 1855, 2120, 2968, 3710, 4240, 5936, 7420, 14840, 29680, 738319, 1476638, 2953276, 3691595, 5168233, 5906552, 7383190, 10336466, 11813104, 14766380, 20672932, 25841165, 29532760, 39130907, 41345864, 51682330, 59065520, 78261814, 82691728, 103364660, 156523628, 195654535, 206729320, 273916349, 313047256, 391309070, 413458640, 547832698, 626094512, 782618140, 1095665396, 1369581745, 1565236280, 2191330792, 2739163490, 3130472560, 4382661584, 5478326980, 10956653960, 21913307920]

約数ペア:

[(1, 21913307920), (2, 10956653960), (4, 5478326980), (5, 4382661584), (7, 3130472560), (8, 2739163490), (10, 2191330792), (14, 1565236280), (16, 1369581745), (20, 1095665396), (28, 782618140), (35, 626094512), (40, 547832698), (53, 413458640), (56, 391309070), (70, 313047256), (80, 273916349), (106, 206729320), (112, 195654535), (140, 156523628), (212, 103364660), (265, 82691728), (280, 78261814), (371, 59065520), (424, 51682330), (530, 41345864), (560, 39130907), (742, 29532760), (848, 25841165), (1060, 20672932), (1484, 14766380), (1855, 11813104), (2120, 10336466), (2968, 7383190), (3710, 5906552), (4240, 5168233), (5936, 3691595), (7420, 2953276), (14840, 1476638), (29680, 738319)]