21167691532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{118369}}^1$

素因数の和:118586

約数の個数: 48

約数和(自身を含む): 42224946400

約数和(自身を除く): 21057254868

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 181, 247, 362, 494, 724, 988, 2353, 3439, 4706, 6878, 9412, 13756, 44707, 89414, 118369, 178828, 236738, 473476, 1538797, 2249011, 3077594, 4498022, 6155188, 8996044, 21424789, 29237143, 42849578, 58474286, 85699156, 116948572, 278522257, 407070991, 557044514, 814141982, 1114089028, 1628283964, 5291922883, 10583845766, 21167691532]

約数ペア:

[(1, 21167691532), (2, 10583845766), (4, 5291922883), (13, 1628283964), (19, 1114089028), (26, 814141982), (38, 557044514), (52, 407070991), (76, 278522257), (181, 116948572), (247, 85699156), (362, 58474286), (494, 42849578), (724, 29237143), (988, 21424789), (2353, 8996044), (3439, 6155188), (4706, 4498022), (6878, 3077594), (9412, 2249011), (13756, 1538797), (44707, 473476), (89414, 236738), (118369, 178828)]