21653028

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^2\times {\mathrm{379}}^1$

素因数の和:438

約数の個数: 72

約数和(自身を含む): 58839200

約数和(自身を除く): 37186172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 207, 276, 379, 414, 529, 621, 758, 828, 1058, 1137, 1242, 1516, 1587, 2116, 2274, 2484, 3174, 3411, 4548, 4761, 6348, 6822, 8717, 9522, 10233, 13644, 14283, 17434, 19044, 20466, 26151, 28566, 34868, 40932, 52302, 57132, 78453, 104604, 156906, 200491, 235359, 313812, 400982, 470718, 601473, 801964, 941436, 1202946, 1804419, 2405892, 3608838, 5413257, 7217676, 10826514, 21653028]

約数ペア:

[(1, 21653028), (2, 10826514), (3, 7217676), (4, 5413257), (6, 3608838), (9, 2405892), (12, 1804419), (18, 1202946), (23, 941436), (27, 801964), (36, 601473), (46, 470718), (54, 400982), (69, 313812), (92, 235359), (108, 200491), (138, 156906), (207, 104604), (276, 78453), (379, 57132), (414, 52302), (529, 40932), (621, 34868), (758, 28566), (828, 26151), (1058, 20466), (1137, 19044), (1242, 17434), (1516, 14283), (1587, 13644), (2116, 10233), (2274, 9522), (2484, 8717), (3174, 6822), (3411, 6348), (4548, 4761)]