21497502

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{521}}^1$

素因数の和:585

約数の個数: 48

約数和(自身を含む): 48495888

約数和(自身を除く): 26998386

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 521, 529, 598, 897, 1042, 1058, 1563, 1587, 1794, 3126, 3174, 6773, 6877, 11983, 13546, 13754, 20319, 20631, 23966, 35949, 40638, 41262, 71898, 155779, 275609, 311558, 467337, 551218, 826827, 934674, 1653654, 3582917, 7165834, 10748751, 21497502]

約数ペア:

[(1, 21497502), (2, 10748751), (3, 7165834), (6, 3582917), (13, 1653654), (23, 934674), (26, 826827), (39, 551218), (46, 467337), (69, 311558), (78, 275609), (138, 155779), (299, 71898), (521, 41262), (529, 40638), (598, 35949), (897, 23966), (1042, 20631), (1058, 20319), (1563, 13754), (1587, 13546), (1794, 11983), (3126, 6877), (3174, 6773)]