21753676

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2038

約数の個数: 48

約数和(自身を含む): 48093696

約数和(自身を除く): 26340020

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 161, 238, 322, 391, 476, 644, 782, 1564, 1987, 2737, 3974, 5474, 7948, 10948, 13909, 27818, 33779, 45701, 55636, 67558, 91402, 135116, 182804, 236453, 319907, 472906, 639814, 776917, 945812, 1279628, 1553834, 3107668, 5438419, 10876838, 21753676]

約数ペア:

[(1, 21753676), (2, 10876838), (4, 5438419), (7, 3107668), (14, 1553834), (17, 1279628), (23, 945812), (28, 776917), (34, 639814), (46, 472906), (68, 319907), (92, 236453), (119, 182804), (161, 135116), (238, 91402), (322, 67558), (391, 55636), (476, 45701), (644, 33779), (782, 27818), (1564, 13909), (1987, 10948), (2737, 7948), (3974, 5474)]