21227076

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^2\times {\mathrm{1163}}^1$

素因数の和:1202

約数の個数: 72

約数和(自身を含む): 59643360

約数和(自身を除く): 38416284

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 169, 234, 338, 351, 468, 507, 676, 702, 1014, 1163, 1404, 1521, 2028, 2326, 3042, 3489, 4563, 4652, 6084, 6978, 9126, 10467, 13956, 15119, 18252, 20934, 30238, 31401, 41868, 45357, 60476, 62802, 90714, 125604, 136071, 181428, 196547, 272142, 393094, 408213, 544284, 589641, 786188, 816426, 1179282, 1632852, 1768923, 2358564, 3537846, 5306769, 7075692, 10613538, 21227076]

約数ペア:

[(1, 21227076), (2, 10613538), (3, 7075692), (4, 5306769), (6, 3537846), (9, 2358564), (12, 1768923), (13, 1632852), (18, 1179282), (26, 816426), (27, 786188), (36, 589641), (39, 544284), (52, 408213), (54, 393094), (78, 272142), (108, 196547), (117, 181428), (156, 136071), (169, 125604), (234, 90714), (338, 62802), (351, 60476), (468, 45357), (507, 41868), (676, 31401), (702, 30238), (1014, 20934), (1163, 18252), (1404, 15119), (1521, 13956), (2028, 10467), (2326, 9126), (3042, 6978), (3489, 6084), (4563, 4652)]