21834008

素因数分解:

$2^3\times 7^3\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 48840000

約数和(自身を除く): 27005992

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 73, 98, 109, 146, 196, 218, 292, 343, 392, 436, 511, 584, 686, 763, 872, 1022, 1372, 1526, 2044, 2744, 3052, 3577, 4088, 5341, 6104, 7154, 7957, 10682, 14308, 15914, 21364, 25039, 28616, 31828, 37387, 42728, 50078, 55699, 63656, 74774, 100156, 111398, 149548, 200312, 222796, 299096, 389893, 445592, 779786, 1559572, 2729251, 3119144, 5458502, 10917004, 21834008]

約数ペア:

[(1, 21834008), (2, 10917004), (4, 5458502), (7, 3119144), (8, 2729251), (14, 1559572), (28, 779786), (49, 445592), (56, 389893), (73, 299096), (98, 222796), (109, 200312), (146, 149548), (196, 111398), (218, 100156), (292, 74774), (343, 63656), (392, 55699), (436, 50078), (511, 42728), (584, 37387), (686, 31828), (763, 28616), (872, 25039), (1022, 21364), (1372, 15914), (1526, 14308), (2044, 10682), (2744, 7957), (3052, 7154), (3577, 6104), (4088, 5341)]