21623524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 43965936

約数和(自身を除く): 22342412

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 61, 68, 122, 221, 244, 401, 442, 793, 802, 884, 1037, 1586, 1604, 2074, 3172, 4148, 5213, 6817, 10426, 13481, 13634, 20852, 24461, 26962, 27268, 48922, 53924, 88621, 97844, 177242, 317993, 354484, 415837, 635986, 831674, 1271972, 1663348, 5405881, 10811762, 21623524]

約数ペア:

[(1, 21623524), (2, 10811762), (4, 5405881), (13, 1663348), (17, 1271972), (26, 831674), (34, 635986), (52, 415837), (61, 354484), (68, 317993), (122, 177242), (221, 97844), (244, 88621), (401, 53924), (442, 48922), (793, 27268), (802, 26962), (884, 24461), (1037, 20852), (1586, 13634), (1604, 13481), (2074, 10426), (3172, 6817), (4148, 5213)]