21664350

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1553}}^1$

素因数の和:1602

約数の個数: 72

約数和(自身を含む): 60121152

約数和(自身を除く): 38456802

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1395, 1550, 1553, 2325, 2790, 3106, 4650, 4659, 6975, 7765, 9318, 13950, 13977, 15530, 23295, 27954, 38825, 46590, 48143, 69885, 77650, 96286, 116475, 139770, 144429, 232950, 240715, 288858, 349425, 433287, 481430, 698850, 722145, 866574, 1203575, 1444290, 2166435, 2407150, 3610725, 4332870, 7221450, 10832175, 21664350]

約数ペア:

[(1, 21664350), (2, 10832175), (3, 7221450), (5, 4332870), (6, 3610725), (9, 2407150), (10, 2166435), (15, 1444290), (18, 1203575), (25, 866574), (30, 722145), (31, 698850), (45, 481430), (50, 433287), (62, 349425), (75, 288858), (90, 240715), (93, 232950), (150, 144429), (155, 139770), (186, 116475), (225, 96286), (279, 77650), (310, 69885), (450, 48143), (465, 46590), (558, 38825), (775, 27954), (930, 23295), (1395, 15530), (1550, 13977), (1553, 13950), (2325, 9318), (2790, 7765), (3106, 6975), (4650, 4659)]