21991676

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{983}}^1$

素因数の和:1058

約数の個数: 48

約数和(自身を含む): 47609856

約数和(自身を除く): 25618180

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 47, 68, 94, 119, 188, 238, 329, 476, 658, 799, 983, 1316, 1598, 1966, 3196, 3932, 5593, 6881, 11186, 13762, 16711, 22372, 27524, 33422, 46201, 66844, 92402, 116977, 184804, 233954, 323407, 467908, 646814, 785417, 1293628, 1570834, 3141668, 5497919, 10995838, 21991676]

約数ペア:

[(1, 21991676), (2, 10995838), (4, 5497919), (7, 3141668), (14, 1570834), (17, 1293628), (28, 785417), (34, 646814), (47, 467908), (68, 323407), (94, 233954), (119, 184804), (188, 116977), (238, 92402), (329, 66844), (476, 46201), (658, 33422), (799, 27524), (983, 22372), (1316, 16711), (1598, 13762), (1966, 11186), (3196, 6881), (3932, 5593)]