21115650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:304

約数の個数: 96

約数和(自身を含む): 57139200

約数和(自身を除く): 36023550

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 31, 38, 50, 57, 62, 75, 93, 95, 114, 150, 155, 186, 190, 239, 285, 310, 465, 475, 478, 570, 589, 717, 775, 930, 950, 1178, 1195, 1425, 1434, 1550, 1767, 2325, 2390, 2850, 2945, 3534, 3585, 4541, 4650, 5890, 5975, 7170, 7409, 8835, 9082, 11950, 13623, 14725, 14818, 17670, 17925, 22227, 22705, 27246, 29450, 35850, 37045, 44175, 44454, 45410, 68115, 74090, 88350, 111135, 113525, 136230, 140771, 185225, 222270, 227050, 281542, 340575, 370450, 422313, 555675, 681150, 703855, 844626, 1111350, 1407710, 2111565, 3519275, 4223130, 7038550, 10557825, 21115650]

約数ペア:

[(1, 21115650), (2, 10557825), (3, 7038550), (5, 4223130), (6, 3519275), (10, 2111565), (15, 1407710), (19, 1111350), (25, 844626), (30, 703855), (31, 681150), (38, 555675), (50, 422313), (57, 370450), (62, 340575), (75, 281542), (93, 227050), (95, 222270), (114, 185225), (150, 140771), (155, 136230), (186, 113525), (190, 111135), (239, 88350), (285, 74090), (310, 68115), (465, 45410), (475, 44454), (478, 44175), (570, 37045), (589, 35850), (717, 29450), (775, 27246), (930, 22705), (950, 22227), (1178, 17925), (1195, 17670), (1425, 14818), (1434, 14725), (1550, 13623), (1767, 11950), (2325, 9082), (2390, 8835), (2850, 7409), (2945, 7170), (3534, 5975), (3585, 5890), (4541, 4650)]