2021539352

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^4\times {\mathrm{277}}^1$

素因数の和:366

約数の個数: 80

約数和(自身を含む): 4589034960

約数和(自身を除く): 2567495608

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 277, 361, 532, 554, 722, 1064, 1108, 1444, 1939, 2216, 2527, 2888, 3878, 5054, 5263, 6859, 7756, 10108, 10526, 13718, 15512, 20216, 21052, 27436, 36841, 42104, 48013, 54872, 73682, 96026, 99997, 130321, 147364, 192052, 199994, 260642, 294728, 384104, 399988, 521284, 699979, 799976, 912247, 1042568, 1399958, 1824494, 1899943, 2799916, 3648988, 3799886, 5599832, 7297976, 7599772, 13299601, 15199544, 26599202, 36098917, 53198404, 72197834, 106396808, 144395668, 252692419, 288791336, 505384838, 1010769676, 2021539352]

約数ペア:

[(1, 2021539352), (2, 1010769676), (4, 505384838), (7, 288791336), (8, 252692419), (14, 144395668), (19, 106396808), (28, 72197834), (38, 53198404), (56, 36098917), (76, 26599202), (133, 15199544), (152, 13299601), (266, 7599772), (277, 7297976), (361, 5599832), (532, 3799886), (554, 3648988), (722, 2799916), (1064, 1899943), (1108, 1824494), (1444, 1399958), (1939, 1042568), (2216, 912247), (2527, 799976), (2888, 699979), (3878, 521284), (5054, 399988), (5263, 384104), (6859, 294728), (7756, 260642), (10108, 199994), (10526, 192052), (13718, 147364), (15512, 130321), (20216, 99997), (21052, 96026), (27436, 73682), (36841, 54872), (42104, 48013)]