21161124

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:585

約数の個数: 72

約数和(自身を含む): 57552768

約数和(自身を除く): 36391644

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 71, 102, 142, 153, 204, 213, 284, 306, 426, 487, 612, 639, 852, 974, 1207, 1278, 1461, 1948, 2414, 2556, 2922, 3621, 4383, 4828, 5844, 7242, 8279, 8766, 10863, 14484, 16558, 17532, 21726, 24837, 33116, 34577, 43452, 49674, 69154, 74511, 99348, 103731, 138308, 149022, 207462, 298044, 311193, 414924, 587809, 622386, 1175618, 1244772, 1763427, 2351236, 3526854, 5290281, 7053708, 10580562, 21161124]

約数ペア:

[(1, 21161124), (2, 10580562), (3, 7053708), (4, 5290281), (6, 3526854), (9, 2351236), (12, 1763427), (17, 1244772), (18, 1175618), (34, 622386), (36, 587809), (51, 414924), (68, 311193), (71, 298044), (102, 207462), (142, 149022), (153, 138308), (204, 103731), (213, 99348), (284, 74511), (306, 69154), (426, 49674), (487, 43452), (612, 34577), (639, 33116), (852, 24837), (974, 21726), (1207, 17532), (1278, 16558), (1461, 14484), (1948, 10863), (2414, 8766), (2556, 8279), (2922, 7242), (3621, 5844), (4383, 4828)]