21547140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1$

素因数の和:533

約数の個数: 96

約数和(自身を含む): 65197440

約数和(自身を除く): 43650300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 41, 57, 60, 76, 82, 95, 114, 123, 164, 190, 205, 228, 246, 285, 380, 410, 461, 492, 570, 615, 779, 820, 922, 1140, 1230, 1383, 1558, 1844, 2305, 2337, 2460, 2766, 3116, 3895, 4610, 4674, 5532, 6915, 7790, 8759, 9220, 9348, 11685, 13830, 15580, 17518, 18901, 23370, 26277, 27660, 35036, 37802, 43795, 46740, 52554, 56703, 75604, 87590, 94505, 105108, 113406, 131385, 175180, 189010, 226812, 262770, 283515, 359119, 378020, 525540, 567030, 718238, 1077357, 1134060, 1436476, 1795595, 2154714, 3591190, 4309428, 5386785, 7182380, 10773570, 21547140]

約数ペア:

[(1, 21547140), (2, 10773570), (3, 7182380), (4, 5386785), (5, 4309428), (6, 3591190), (10, 2154714), (12, 1795595), (15, 1436476), (19, 1134060), (20, 1077357), (30, 718238), (38, 567030), (41, 525540), (57, 378020), (60, 359119), (76, 283515), (82, 262770), (95, 226812), (114, 189010), (123, 175180), (164, 131385), (190, 113406), (205, 105108), (228, 94505), (246, 87590), (285, 75604), (380, 56703), (410, 52554), (461, 46740), (492, 43795), (570, 37802), (615, 35036), (779, 27660), (820, 26277), (922, 23370), (1140, 18901), (1230, 17518), (1383, 15580), (1558, 13830), (1844, 11685), (2305, 9348), (2337, 9220), (2460, 8759), (2766, 7790), (3116, 6915), (3895, 5532), (4610, 4674)]