16521804

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 46078032

約数和(自身を除く): 29556228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 821, 1118, 1548, 1642, 1677, 2236, 2463, 3284, 3354, 4926, 5031, 6708, 7389, 9852, 10062, 10673, 14778, 20124, 21346, 29556, 32019, 35303, 42692, 64038, 70606, 96057, 105909, 128076, 141212, 192114, 211818, 317727, 384228, 423636, 458939, 635454, 917878, 1270908, 1376817, 1835756, 2753634, 4130451, 5507268, 8260902, 16521804]

約数ペア:

[(1, 16521804), (2, 8260902), (3, 5507268), (4, 4130451), (6, 2753634), (9, 1835756), (12, 1376817), (13, 1270908), (18, 917878), (26, 635454), (36, 458939), (39, 423636), (43, 384228), (52, 317727), (78, 211818), (86, 192114), (117, 141212), (129, 128076), (156, 105909), (172, 96057), (234, 70606), (258, 64038), (387, 42692), (468, 35303), (516, 32019), (559, 29556), (774, 21346), (821, 20124), (1118, 14778), (1548, 10673), (1642, 10062), (1677, 9852), (2236, 7389), (2463, 6708), (3284, 5031), (3354, 4926)]