21452084960

素因数分解:

$2^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{68371}}^1$

素因数の和:68476

約数の個数: 96

約数和(自身を含む): 53033152032

約数和(自身を除く): 31581067072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 53, 74, 80, 106, 148, 160, 185, 212, 265, 296, 370, 424, 530, 592, 740, 848, 1060, 1184, 1480, 1696, 1961, 2120, 2960, 3922, 4240, 5920, 7844, 8480, 9805, 15688, 19610, 31376, 39220, 62752, 68371, 78440, 136742, 156880, 273484, 313760, 341855, 546968, 683710, 1093936, 1367420, 2187872, 2529727, 2734840, 3623663, 5059454, 5469680, 7247326, 10118908, 10939360, 12648635, 14494652, 18118315, 20237816, 25297270, 28989304, 36236630, 40475632, 50594540, 57978608, 72473260, 80951264, 101189080, 115957216, 134075531, 144946520, 202378160, 268151062, 289893040, 404756320, 536302124, 579786080, 670377655, 1072604248, 1340755310, 2145208496, 2681510620, 4290416992, 5363021240, 10726042480, 21452084960]

約数ペア:

[(1, 21452084960), (2, 10726042480), (4, 5363021240), (5, 4290416992), (8, 2681510620), (10, 2145208496), (16, 1340755310), (20, 1072604248), (32, 670377655), (37, 579786080), (40, 536302124), (53, 404756320), (74, 289893040), (80, 268151062), (106, 202378160), (148, 144946520), (160, 134075531), (185, 115957216), (212, 101189080), (265, 80951264), (296, 72473260), (370, 57978608), (424, 50594540), (530, 40475632), (592, 36236630), (740, 28989304), (848, 25297270), (1060, 20237816), (1184, 18118315), (1480, 14494652), (1696, 12648635), (1961, 10939360), (2120, 10118908), (2960, 7247326), (3922, 5469680), (4240, 5059454), (5920, 3623663), (7844, 2734840), (8480, 2529727), (9805, 2187872), (15688, 1367420), (19610, 1093936), (31376, 683710), (39220, 546968), (62752, 341855), (68371, 313760), (78440, 273484), (136742, 156880)]