21840588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7879}}^1$

素因数の和:7907

約数の個数: 72

約数和(自身を含む): 68839680

約数和(自身を除く): 46999092

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7879, 15758, 23637, 31516, 47274, 55153, 70911, 86669, 94548, 110306, 141822, 165459, 173338, 220612, 260007, 283644, 330918, 346676, 496377, 520014, 606683, 661836, 780021, 992754, 1040028, 1213366, 1560042, 1820049, 1985508, 2426732, 3120084, 3640098, 5460147, 7280196, 10920294, 21840588]

約数ペア:

[(1, 21840588), (2, 10920294), (3, 7280196), (4, 5460147), (6, 3640098), (7, 3120084), (9, 2426732), (11, 1985508), (12, 1820049), (14, 1560042), (18, 1213366), (21, 1040028), (22, 992754), (28, 780021), (33, 661836), (36, 606683), (42, 520014), (44, 496377), (63, 346676), (66, 330918), (77, 283644), (84, 260007), (99, 220612), (126, 173338), (132, 165459), (154, 141822), (198, 110306), (231, 94548), (252, 86669), (308, 70911), (396, 55153), (462, 47274), (693, 31516), (924, 23637), (1386, 15758), (2772, 7879)]