21871740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1123

約数の個数: 96

約数和(自身を含む): 69027840

約数和(自身を除く): 47156100

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, 1069, 1364, 1705, 1860, 2046, 2138, 3207, 3410, 4092, 4276, 5115, 5345, 6414, 6820, 10230, 10690, 11759, 12828, 16035, 20460, 21380, 23518, 32070, 33139, 35277, 47036, 58795, 64140, 66278, 70554, 99417, 117590, 132556, 141108, 165695, 176385, 198834, 235180, 331390, 352770, 364529, 397668, 497085, 662780, 705540, 729058, 994170, 1093587, 1458116, 1822645, 1988340, 2187174, 3645290, 4374348, 5467935, 7290580, 10935870, 21871740]

約数ペア:

[(1, 21871740), (2, 10935870), (3, 7290580), (4, 5467935), (5, 4374348), (6, 3645290), (10, 2187174), (11, 1988340), (12, 1822645), (15, 1458116), (20, 1093587), (22, 994170), (30, 729058), (31, 705540), (33, 662780), (44, 497085), (55, 397668), (60, 364529), (62, 352770), (66, 331390), (93, 235180), (110, 198834), (124, 176385), (132, 165695), (155, 141108), (165, 132556), (186, 117590), (220, 99417), (310, 70554), (330, 66278), (341, 64140), (372, 58795), (465, 47036), (620, 35277), (660, 33139), (682, 32070), (930, 23518), (1023, 21380), (1069, 20460), (1364, 16035), (1705, 12828), (1860, 11759), (2046, 10690), (2138, 10230), (3207, 6820), (3410, 6414), (4092, 5345), (4276, 5115)]