21089484

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1669}}^1$

素因数の和:1701

約数の個数: 72

約数和(自身を含む): 59572240

約数和(自身を除く): 38482756

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 1669, 2106, 3159, 3338, 4212, 5007, 6318, 6676, 10014, 12636, 15021, 20028, 21697, 30042, 43394, 45063, 60084, 65091, 86788, 90126, 130182, 135189, 180252, 195273, 260364, 270378, 390546, 405567, 540756, 585819, 781092, 811134, 1171638, 1622268, 1757457, 2343276, 3514914, 5272371, 7029828, 10544742, 21089484]

約数ペア:

[(1, 21089484), (2, 10544742), (3, 7029828), (4, 5272371), (6, 3514914), (9, 2343276), (12, 1757457), (13, 1622268), (18, 1171638), (26, 811134), (27, 781092), (36, 585819), (39, 540756), (52, 405567), (54, 390546), (78, 270378), (81, 260364), (108, 195273), (117, 180252), (156, 135189), (162, 130182), (234, 90126), (243, 86788), (324, 65091), (351, 60084), (468, 45063), (486, 43394), (702, 30042), (972, 21697), (1053, 20028), (1404, 15021), (1669, 12636), (2106, 10014), (3159, 6676), (3338, 6318), (4212, 5007)]