21894804

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:917

約数の個数: 72

約数和(自身を含む): 59684352

約数和(自身を除く): 37789548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 828, 853, 1116, 1426, 1706, 2139, 2559, 2852, 3412, 4278, 5118, 6417, 7677, 8556, 10236, 12834, 15354, 19619, 25668, 26443, 30708, 39238, 52886, 58857, 78476, 79329, 105772, 117714, 158658, 176571, 235428, 237987, 317316, 353142, 475974, 608189, 706284, 951948, 1216378, 1824567, 2432756, 3649134, 5473701, 7298268, 10947402, 21894804]

約数ペア:

[(1, 21894804), (2, 10947402), (3, 7298268), (4, 5473701), (6, 3649134), (9, 2432756), (12, 1824567), (18, 1216378), (23, 951948), (31, 706284), (36, 608189), (46, 475974), (62, 353142), (69, 317316), (92, 237987), (93, 235428), (124, 176571), (138, 158658), (186, 117714), (207, 105772), (276, 79329), (279, 78476), (372, 58857), (414, 52886), (558, 39238), (713, 30708), (828, 26443), (853, 25668), (1116, 19619), (1426, 15354), (1706, 12834), (2139, 10236), (2559, 8556), (2852, 7677), (3412, 6417), (4278, 5118)]