21629475

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 45806592

約数和(自身を除く): 24177117

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 63, 75, 93, 105, 155, 175, 217, 225, 279, 315, 443, 465, 525, 651, 775, 1085, 1329, 1395, 1575, 1953, 2215, 2325, 3101, 3255, 3987, 5425, 6645, 6975, 9303, 9765, 11075, 13733, 15505, 16275, 19935, 27909, 33225, 41199, 46515, 48825, 68665, 77525, 96131, 99675, 123597, 139545, 205995, 232575, 288393, 343325, 480655, 617985, 697725, 865179, 1029975, 1441965, 2403275, 3089925, 4325895, 7209825, 21629475]

約数ペア:

[(1, 21629475), (3, 7209825), (5, 4325895), (7, 3089925), (9, 2403275), (15, 1441965), (21, 1029975), (25, 865179), (31, 697725), (35, 617985), (45, 480655), (63, 343325), (75, 288393), (93, 232575), (105, 205995), (155, 139545), (175, 123597), (217, 99675), (225, 96131), (279, 77525), (315, 68665), (443, 48825), (465, 46515), (525, 41199), (651, 33225), (775, 27909), (1085, 19935), (1329, 16275), (1395, 15505), (1575, 13733), (1953, 11075), (2215, 9765), (2325, 9303), (3101, 6975), (3255, 6645), (3987, 5425)]