21069150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 56567808

約数和(自身を除く): 35498658

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 31, 46, 50, 62, 69, 75, 93, 115, 138, 150, 155, 186, 197, 230, 310, 345, 394, 465, 575, 591, 690, 713, 775, 930, 985, 1150, 1182, 1426, 1550, 1725, 1970, 2139, 2325, 2955, 3450, 3565, 4278, 4531, 4650, 4925, 5910, 6107, 7130, 9062, 9850, 10695, 12214, 13593, 14775, 17825, 18321, 21390, 22655, 27186, 29550, 30535, 35650, 36642, 45310, 53475, 61070, 67965, 91605, 106950, 113275, 135930, 140461, 152675, 183210, 226550, 280922, 305350, 339825, 421383, 458025, 679650, 702305, 842766, 916050, 1404610, 2106915, 3511525, 4213830, 7023050, 10534575, 21069150]

約数ペア:

[(1, 21069150), (2, 10534575), (3, 7023050), (5, 4213830), (6, 3511525), (10, 2106915), (15, 1404610), (23, 916050), (25, 842766), (30, 702305), (31, 679650), (46, 458025), (50, 421383), (62, 339825), (69, 305350), (75, 280922), (93, 226550), (115, 183210), (138, 152675), (150, 140461), (155, 135930), (186, 113275), (197, 106950), (230, 91605), (310, 67965), (345, 61070), (394, 53475), (465, 45310), (575, 36642), (591, 35650), (690, 30535), (713, 29550), (775, 27186), (930, 22655), (985, 21390), (1150, 18321), (1182, 17825), (1426, 14775), (1550, 13593), (1725, 12214), (1970, 10695), (2139, 9850), (2325, 9062), (2955, 7130), (3450, 6107), (3565, 5910), (4278, 4925), (4531, 4650)]