21556392

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:615

約数の個数: 96

約数和(自身を含む): 63903840

約数和(自身を除く): 42347448

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 121, 132, 143, 156, 242, 264, 286, 312, 363, 429, 484, 571, 572, 726, 858, 968, 1142, 1144, 1452, 1573, 1713, 1716, 2284, 2904, 3146, 3426, 3432, 4568, 4719, 6281, 6292, 6852, 7423, 9438, 12562, 12584, 13704, 14846, 18843, 18876, 22269, 25124, 29692, 37686, 37752, 44538, 50248, 59384, 69091, 75372, 81653, 89076, 138182, 150744, 163306, 178152, 207273, 244959, 276364, 326612, 414546, 489918, 552728, 653224, 829092, 898183, 979836, 1658184, 1796366, 1959672, 2694549, 3592732, 5389098, 7185464, 10778196, 21556392]

約数ペア:

[(1, 21556392), (2, 10778196), (3, 7185464), (4, 5389098), (6, 3592732), (8, 2694549), (11, 1959672), (12, 1796366), (13, 1658184), (22, 979836), (24, 898183), (26, 829092), (33, 653224), (39, 552728), (44, 489918), (52, 414546), (66, 326612), (78, 276364), (88, 244959), (104, 207273), (121, 178152), (132, 163306), (143, 150744), (156, 138182), (242, 89076), (264, 81653), (286, 75372), (312, 69091), (363, 59384), (429, 50248), (484, 44538), (571, 37752), (572, 37686), (726, 29692), (858, 25124), (968, 22269), (1142, 18876), (1144, 18843), (1452, 14846), (1573, 13704), (1713, 12584), (1716, 12562), (2284, 9438), (2904, 7423), (3146, 6852), (3426, 6292), (3432, 6281), (4568, 4719)]