21104370

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 63423360

約数和(自身を除く): 42318990

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 139, 210, 241, 278, 315, 417, 482, 630, 695, 723, 834, 973, 1205, 1251, 1390, 1446, 1687, 1946, 2085, 2169, 2410, 2502, 2919, 3374, 3615, 4170, 4338, 4865, 5061, 5838, 6255, 7230, 8435, 8757, 9730, 10122, 10845, 12510, 14595, 15183, 16870, 17514, 21690, 25305, 29190, 30366, 33499, 43785, 50610, 66998, 75915, 87570, 100497, 151830, 167495, 200994, 234493, 301491, 334990, 468986, 502485, 602982, 703479, 1004970, 1172465, 1406958, 1507455, 2110437, 2344930, 3014910, 3517395, 4220874, 7034790, 10552185, 21104370]

約数ペア:

[(1, 21104370), (2, 10552185), (3, 7034790), (5, 4220874), (6, 3517395), (7, 3014910), (9, 2344930), (10, 2110437), (14, 1507455), (15, 1406958), (18, 1172465), (21, 1004970), (30, 703479), (35, 602982), (42, 502485), (45, 468986), (63, 334990), (70, 301491), (90, 234493), (105, 200994), (126, 167495), (139, 151830), (210, 100497), (241, 87570), (278, 75915), (315, 66998), (417, 50610), (482, 43785), (630, 33499), (695, 30366), (723, 29190), (834, 25305), (973, 21690), (1205, 17514), (1251, 16870), (1390, 15183), (1446, 14595), (1687, 12510), (1946, 10845), (2085, 10122), (2169, 9730), (2410, 8757), (2502, 8435), (2919, 7230), (3374, 6255), (3615, 5838), (4170, 5061), (4338, 4865)]