21372531748

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{171161}}^1$

素因数の和:171268

約数の個数: 48

約数和(自身を含む): 41407511040

約数和(自身を除く): 20034979292

約数列:

[1, 2, 4, 19, 31, 38, 53, 62, 76, 106, 124, 212, 589, 1007, 1178, 1643, 2014, 2356, 3286, 4028, 6572, 31217, 62434, 124868, 171161, 342322, 684644, 3252059, 5305991, 6504118, 9071533, 10611982, 13008236, 18143066, 21223964, 36286132, 100813829, 172359127, 201627658, 281217523, 344718254, 403255316, 562435046, 689436508, 1124870092, 5343132937, 10686265874, 21372531748]

約数ペア:

[(1, 21372531748), (2, 10686265874), (4, 5343132937), (19, 1124870092), (31, 689436508), (38, 562435046), (53, 403255316), (62, 344718254), (76, 281217523), (106, 201627658), (124, 172359127), (212, 100813829), (589, 36286132), (1007, 21223964), (1178, 18143066), (1643, 13008236), (2014, 10611982), (2356, 9071533), (3286, 6504118), (4028, 5305991), (6572, 3252059), (31217, 684644), (62434, 342322), (124868, 171161)]