21098040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1613}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 63914400

約数和(自身を除く): 42816360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1613, 1635, 2180, 2616, 3226, 3270, 4360, 4839, 6452, 6540, 8065, 9678, 12904, 13080, 16130, 19356, 24195, 32260, 38712, 48390, 64520, 96780, 175817, 193560, 351634, 527451, 703268, 879085, 1054902, 1406536, 1758170, 2109804, 2637255, 3516340, 4219608, 5274510, 7032680, 10549020, 21098040]

約数ペア:

[(1, 21098040), (2, 10549020), (3, 7032680), (4, 5274510), (5, 4219608), (6, 3516340), (8, 2637255), (10, 2109804), (12, 1758170), (15, 1406536), (20, 1054902), (24, 879085), (30, 703268), (40, 527451), (60, 351634), (109, 193560), (120, 175817), (218, 96780), (327, 64520), (436, 48390), (545, 38712), (654, 32260), (872, 24195), (1090, 19356), (1308, 16130), (1613, 13080), (1635, 12904), (2180, 9678), (2616, 8065), (3226, 6540), (3270, 6452), (4360, 4839)]