21511280401

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{557}}^1\times {\mathrm{1571}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 24364440576

約数和(自身を除く): 2853160175

約数列:

[1, 13, 31, 61, 403, 557, 793, 1571, 1891, 7241, 17267, 20423, 24583, 33977, 48701, 95831, 224471, 441701, 633113, 875047, 1053287, 1245803, 2970761, 11375611, 13692731, 27126457, 38619893, 53377867, 352643941, 693912271, 1654713877, 21511280401]

約数ペア:

[(1, 21511280401), (13, 1654713877), (31, 693912271), (61, 352643941), (403, 53377867), (557, 38619893), (793, 27126457), (1571, 13692731), (1891, 11375611), (7241, 2970761), (17267, 1245803), (20423, 1053287), (24583, 875047), (33977, 633113), (48701, 441701), (95831, 224471)]