21902940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{863}}^1$

素因数の和:928

約数の個数: 96

約数和(自身を含む): 69672960

約数和(自身を除く): 47770020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 47, 54, 60, 90, 94, 108, 135, 141, 180, 188, 235, 270, 282, 423, 470, 540, 564, 705, 846, 863, 940, 1269, 1410, 1692, 1726, 2115, 2538, 2589, 2820, 3452, 4230, 4315, 5076, 5178, 6345, 7767, 8460, 8630, 10356, 12690, 12945, 15534, 17260, 23301, 25380, 25890, 31068, 38835, 40561, 46602, 51780, 77670, 81122, 93204, 116505, 121683, 155340, 162244, 202805, 233010, 243366, 365049, 405610, 466020, 486732, 608415, 730098, 811220, 1095147, 1216830, 1460196, 1825245, 2190294, 2433660, 3650490, 4380588, 5475735, 7300980, 10951470, 21902940]

約数ペア:

[(1, 21902940), (2, 10951470), (3, 7300980), (4, 5475735), (5, 4380588), (6, 3650490), (9, 2433660), (10, 2190294), (12, 1825245), (15, 1460196), (18, 1216830), (20, 1095147), (27, 811220), (30, 730098), (36, 608415), (45, 486732), (47, 466020), (54, 405610), (60, 365049), (90, 243366), (94, 233010), (108, 202805), (135, 162244), (141, 155340), (180, 121683), (188, 116505), (235, 93204), (270, 81122), (282, 77670), (423, 51780), (470, 46602), (540, 40561), (564, 38835), (705, 31068), (846, 25890), (863, 25380), (940, 23301), (1269, 17260), (1410, 15534), (1692, 12945), (1726, 12690), (2115, 10356), (2538, 8630), (2589, 8460), (2820, 7767), (3452, 6345), (4230, 5178), (4315, 5076)]