21795375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1$

素因数の和:86

約数の個数: 96

約数和(自身を含む): 45646848

約数和(自身を除く): 23851473

約数列:

[1, 3, 5, 7, 15, 19, 21, 23, 25, 35, 57, 69, 75, 95, 105, 115, 125, 133, 161, 175, 285, 345, 361, 375, 399, 437, 475, 483, 525, 575, 665, 805, 875, 1083, 1311, 1425, 1725, 1805, 1995, 2185, 2375, 2415, 2527, 2625, 2875, 3059, 3325, 4025, 5415, 6555, 7125, 7581, 8303, 8625, 9025, 9177, 9975, 10925, 12075, 12635, 15295, 16625, 20125, 24909, 27075, 32775, 37905, 41515, 45125, 45885, 49875, 54625, 58121, 60375, 63175, 76475, 124545, 135375, 163875, 174363, 189525, 207575, 229425, 290605, 315875, 382375, 622725, 871815, 947625, 1037875, 1147125, 1453025, 3113625, 4359075, 7265125, 21795375]

約数ペア:

[(1, 21795375), (3, 7265125), (5, 4359075), (7, 3113625), (15, 1453025), (19, 1147125), (21, 1037875), (23, 947625), (25, 871815), (35, 622725), (57, 382375), (69, 315875), (75, 290605), (95, 229425), (105, 207575), (115, 189525), (125, 174363), (133, 163875), (161, 135375), (175, 124545), (285, 76475), (345, 63175), (361, 60375), (375, 58121), (399, 54625), (437, 49875), (475, 45885), (483, 45125), (525, 41515), (575, 37905), (665, 32775), (805, 27075), (875, 24909), (1083, 20125), (1311, 16625), (1425, 15295), (1725, 12635), (1805, 12075), (1995, 10925), (2185, 9975), (2375, 9177), (2415, 9025), (2527, 8625), (2625, 8303), (2875, 7581), (3059, 7125), (3325, 6555), (4025, 5415)]