21499239492

素因数分解:

$2^2\times 3^2\times {\mathrm{131}}^1\times {\mathrm{293}}^1\times {\mathrm{15559}}^1$

素因数の和:15993

約数の個数: 72

約数和(自身を含む): 54950575680

約数和(自身を除く): 33451336188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 131, 262, 293, 393, 524, 586, 786, 879, 1172, 1179, 1572, 1758, 2358, 2637, 3516, 4716, 5274, 10548, 15559, 31118, 38383, 46677, 62236, 76766, 93354, 115149, 140031, 153532, 186708, 230298, 280062, 345447, 460596, 560124, 690894, 1381788, 2038229, 4076458, 4558787, 6114687, 8152916, 9117574, 12229374, 13676361, 18235148, 18344061, 24458748, 27352722, 36688122, 41029083, 54705444, 73376244, 82058166, 164116332, 597201097, 1194402194, 1791603291, 2388804388, 3583206582, 5374809873, 7166413164, 10749619746, 21499239492]

約数ペア:

[(1, 21499239492), (2, 10749619746), (3, 7166413164), (4, 5374809873), (6, 3583206582), (9, 2388804388), (12, 1791603291), (18, 1194402194), (36, 597201097), (131, 164116332), (262, 82058166), (293, 73376244), (393, 54705444), (524, 41029083), (586, 36688122), (786, 27352722), (879, 24458748), (1172, 18344061), (1179, 18235148), (1572, 13676361), (1758, 12229374), (2358, 9117574), (2637, 8152916), (3516, 6114687), (4716, 4558787), (5274, 4076458), (10548, 2038229), (15559, 1381788), (31118, 690894), (38383, 560124), (46677, 460596), (62236, 345447), (76766, 280062), (93354, 230298), (115149, 186708), (140031, 153532)]