21372651248

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7904087}}^1$

素因数の和:7904121

約数の個数: 30

約数和(自身を含む): 44839891224

約数和(自身を除く): 23467239976

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7904087, 15808174, 31616348, 63232696, 102753131, 126465392, 205506262, 411012524, 822025048, 1335790703, 1644050096, 2671581406, 5343162812, 10686325624, 21372651248]

約数ペア:

[(1, 21372651248), (2, 10686325624), (4, 5343162812), (8, 2671581406), (13, 1644050096), (16, 1335790703), (26, 822025048), (52, 411012524), (104, 205506262), (169, 126465392), (208, 102753131), (338, 63232696), (676, 31616348), (1352, 15808174), (2704, 7904087)]