21359100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^2\times {\mathrm{1453}}^1$

素因数の和:1484

約数の個数: 108

約数和(自身を含む): 71938104

約数和(自身を除く): 50579004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 140, 147, 150, 175, 196, 210, 245, 294, 300, 350, 420, 490, 525, 588, 700, 735, 980, 1050, 1225, 1453, 1470, 2100, 2450, 2906, 2940, 3675, 4359, 4900, 5812, 7265, 7350, 8718, 10171, 14530, 14700, 17436, 20342, 21795, 29060, 30513, 36325, 40684, 43590, 50855, 61026, 71197, 72650, 87180, 101710, 108975, 122052, 142394, 145300, 152565, 203420, 213591, 217950, 254275, 284788, 305130, 355985, 427182, 435900, 508550, 610260, 711970, 762825, 854364, 1017100, 1067955, 1423940, 1525650, 1779925, 2135910, 3051300, 3559850, 4271820, 5339775, 7119700, 10679550, 21359100]

約数ペア:

[(1, 21359100), (2, 10679550), (3, 7119700), (4, 5339775), (5, 4271820), (6, 3559850), (7, 3051300), (10, 2135910), (12, 1779925), (14, 1525650), (15, 1423940), (20, 1067955), (21, 1017100), (25, 854364), (28, 762825), (30, 711970), (35, 610260), (42, 508550), (49, 435900), (50, 427182), (60, 355985), (70, 305130), (75, 284788), (84, 254275), (98, 217950), (100, 213591), (105, 203420), (140, 152565), (147, 145300), (150, 142394), (175, 122052), (196, 108975), (210, 101710), (245, 87180), (294, 72650), (300, 71197), (350, 61026), (420, 50855), (490, 43590), (525, 40684), (588, 36325), (700, 30513), (735, 29060), (980, 21795), (1050, 20342), (1225, 17436), (1453, 14700), (1470, 14530), (2100, 10171), (2450, 8718), (2906, 7350), (2940, 7265), (3675, 5812), (4359, 4900)]