21493674

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{6983}}^1$

素因数の和:7016

約数の個数: 40

約数和(自身を含む): 50703840

約数和(自身を除く): 29210166

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 6983, 13966, 20949, 41898, 62847, 125694, 132677, 188541, 265354, 377082, 398031, 565623, 796062, 1131246, 1194093, 2388186, 3582279, 7164558, 10746837, 21493674]

約数ペア:

[(1, 21493674), (2, 10746837), (3, 7164558), (6, 3582279), (9, 2388186), (18, 1194093), (19, 1131246), (27, 796062), (38, 565623), (54, 398031), (57, 377082), (81, 265354), (114, 188541), (162, 132677), (171, 125694), (342, 62847), (513, 41898), (1026, 20949), (1539, 13966), (3078, 6983)]