21748980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1063}}^1$

素因数の和:1117

約数の個数: 96

約数和(自身を含む): 68640768

約数和(自身を除く): 46891788

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 1023, 1063, 1364, 1705, 1860, 2046, 2126, 3189, 3410, 4092, 4252, 5115, 5315, 6378, 6820, 10230, 10630, 11693, 12756, 15945, 20460, 21260, 23386, 31890, 32953, 35079, 46772, 58465, 63780, 65906, 70158, 98859, 116930, 131812, 140316, 164765, 175395, 197718, 233860, 329530, 350790, 362483, 395436, 494295, 659060, 701580, 724966, 988590, 1087449, 1449932, 1812415, 1977180, 2174898, 3624830, 4349796, 5437245, 7249660, 10874490, 21748980]

約数ペア:

[(1, 21748980), (2, 10874490), (3, 7249660), (4, 5437245), (5, 4349796), (6, 3624830), (10, 2174898), (11, 1977180), (12, 1812415), (15, 1449932), (20, 1087449), (22, 988590), (30, 724966), (31, 701580), (33, 659060), (44, 494295), (55, 395436), (60, 362483), (62, 350790), (66, 329530), (93, 233860), (110, 197718), (124, 175395), (132, 164765), (155, 140316), (165, 131812), (186, 116930), (220, 98859), (310, 70158), (330, 65906), (341, 63780), (372, 58465), (465, 46772), (620, 35079), (660, 32953), (682, 31890), (930, 23386), (1023, 21260), (1063, 20460), (1364, 15945), (1705, 12756), (1860, 11693), (2046, 10630), (2126, 10230), (3189, 6820), (3410, 6378), (4092, 5315), (4252, 5115)]