21548100

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:386

約数の個数: 144

約数和(自身を含む): 73773056

約数和(自身を除く): 52224956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 140, 150, 155, 175, 186, 210, 217, 300, 310, 331, 350, 372, 420, 434, 465, 525, 620, 651, 662, 700, 775, 868, 930, 993, 1050, 1085, 1302, 1324, 1550, 1655, 1860, 1986, 2100, 2170, 2317, 2325, 2604, 3100, 3255, 3310, 3972, 4340, 4634, 4650, 4965, 5425, 6510, 6620, 6951, 8275, 9268, 9300, 9930, 10261, 10850, 11585, 13020, 13902, 16275, 16550, 19860, 20522, 21700, 23170, 24825, 27804, 30783, 32550, 33100, 34755, 41044, 46340, 49650, 51305, 57925, 61566, 65100, 69510, 71827, 99300, 102610, 115850, 123132, 139020, 143654, 153915, 173775, 205220, 215481, 231700, 256525, 287308, 307830, 347550, 359135, 430962, 513050, 615660, 695100, 718270, 769575, 861924, 1026100, 1077405, 1436540, 1539150, 1795675, 2154810, 3078300, 3591350, 4309620, 5387025, 7182700, 10774050, 21548100]

約数ペア:

[(1, 21548100), (2, 10774050), (3, 7182700), (4, 5387025), (5, 4309620), (6, 3591350), (7, 3078300), (10, 2154810), (12, 1795675), (14, 1539150), (15, 1436540), (20, 1077405), (21, 1026100), (25, 861924), (28, 769575), (30, 718270), (31, 695100), (35, 615660), (42, 513050), (50, 430962), (60, 359135), (62, 347550), (70, 307830), (75, 287308), (84, 256525), (93, 231700), (100, 215481), (105, 205220), (124, 173775), (140, 153915), (150, 143654), (155, 139020), (175, 123132), (186, 115850), (210, 102610), (217, 99300), (300, 71827), (310, 69510), (331, 65100), (350, 61566), (372, 57925), (420, 51305), (434, 49650), (465, 46340), (525, 41044), (620, 34755), (651, 33100), (662, 32550), (700, 30783), (775, 27804), (868, 24825), (930, 23170), (993, 21700), (1050, 20522), (1085, 19860), (1302, 16550), (1324, 16275), (1550, 13902), (1655, 13020), (1860, 11585), (1986, 10850), (2100, 10261), (2170, 9930), (2317, 9300), (2325, 9268), (2604, 8275), (3100, 6951), (3255, 6620), (3310, 6510), (3972, 5425), (4340, 4965), (4634, 4650)]