21842910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7829}}^1$

素因数の和:7873

約数の個数: 48

約数和(自身を含む): 58631040

約数和(自身を除く): 36788130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7829, 15658, 23487, 39145, 46974, 70461, 78290, 117435, 140922, 234870, 242699, 352305, 485398, 704610, 728097, 1213495, 1456194, 2184291, 2426990, 3640485, 4368582, 7280970, 10921455, 21842910]

約数ペア:

[(1, 21842910), (2, 10921455), (3, 7280970), (5, 4368582), (6, 3640485), (9, 2426990), (10, 2184291), (15, 1456194), (18, 1213495), (30, 728097), (31, 704610), (45, 485398), (62, 352305), (90, 242699), (93, 234870), (155, 140922), (186, 117435), (279, 78290), (310, 70461), (465, 46974), (558, 39145), (930, 23487), (1395, 15658), (2790, 7829)]