21851664

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:528

約数の個数: 80

約数和(自身を含む): 60888960

約数和(自身を除く): 39037296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 61, 68, 102, 122, 136, 183, 204, 244, 272, 366, 408, 439, 488, 732, 816, 878, 976, 1037, 1317, 1464, 1756, 2074, 2634, 2928, 3111, 3512, 4148, 5268, 6222, 7024, 7463, 8296, 10536, 12444, 14926, 16592, 21072, 22389, 24888, 26779, 29852, 44778, 49776, 53558, 59704, 80337, 89556, 107116, 119408, 160674, 179112, 214232, 321348, 358224, 428464, 455243, 642696, 910486, 1285392, 1365729, 1820972, 2731458, 3641944, 5462916, 7283888, 10925832, 21851664]

約数ペア:

[(1, 21851664), (2, 10925832), (3, 7283888), (4, 5462916), (6, 3641944), (8, 2731458), (12, 1820972), (16, 1365729), (17, 1285392), (24, 910486), (34, 642696), (48, 455243), (51, 428464), (61, 358224), (68, 321348), (102, 214232), (122, 179112), (136, 160674), (183, 119408), (204, 107116), (244, 89556), (272, 80337), (366, 59704), (408, 53558), (439, 49776), (488, 44778), (732, 29852), (816, 26779), (878, 24888), (976, 22389), (1037, 21072), (1317, 16592), (1464, 14926), (1756, 12444), (2074, 10536), (2634, 8296), (2928, 7463), (3111, 7024), (3512, 6222), (4148, 5268)]