21450312

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{7639}}^1$

素因数の和:7667

約数の個数: 64

約数和(自身を含む): 64176000

約数和(自身を除く): 42725688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 7639, 15278, 22917, 30556, 45834, 61112, 68751, 91668, 99307, 137502, 183336, 198614, 206253, 275004, 297921, 397228, 412506, 550008, 595842, 794456, 825012, 893763, 1191684, 1650024, 1787526, 2383368, 2681289, 3575052, 5362578, 7150104, 10725156, 21450312]

約数ペア:

[(1, 21450312), (2, 10725156), (3, 7150104), (4, 5362578), (6, 3575052), (8, 2681289), (9, 2383368), (12, 1787526), (13, 1650024), (18, 1191684), (24, 893763), (26, 825012), (27, 794456), (36, 595842), (39, 550008), (52, 412506), (54, 397228), (72, 297921), (78, 275004), (104, 206253), (108, 198614), (117, 183336), (156, 137502), (216, 99307), (234, 91668), (312, 68751), (351, 61112), (468, 45834), (702, 30556), (936, 22917), (1404, 15278), (2808, 7639)]