21860436

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8243}}^1$

素因数の和:8280

約数の個数: 48

約数和(自身を含む): 58169664

約数和(自身を除く): 36309228

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 8243, 16486, 24729, 32972, 49458, 98916, 107159, 140131, 214318, 280262, 321477, 420393, 428636, 560524, 642954, 840786, 1285908, 1681572, 1821703, 3643406, 5465109, 7286812, 10930218, 21860436]

約数ペア:

[(1, 21860436), (2, 10930218), (3, 7286812), (4, 5465109), (6, 3643406), (12, 1821703), (13, 1681572), (17, 1285908), (26, 840786), (34, 642954), (39, 560524), (51, 428636), (52, 420393), (68, 321477), (78, 280262), (102, 214318), (156, 140131), (204, 107159), (221, 98916), (442, 49458), (663, 32972), (884, 24729), (1326, 16486), (2652, 8243)]