21318444

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 63920640

約数和(自身を除く): 42602196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 163, 173, 189, 252, 326, 346, 378, 489, 519, 652, 692, 756, 978, 1038, 1141, 1211, 1467, 1557, 1956, 2076, 2282, 2422, 2934, 3114, 3423, 3633, 4401, 4564, 4671, 4844, 5868, 6228, 6846, 7266, 8802, 9342, 10269, 10899, 13692, 14532, 17604, 18684, 20538, 21798, 28199, 30807, 32697, 41076, 43596, 56398, 61614, 65394, 84597, 112796, 123228, 130788, 169194, 197393, 253791, 338388, 394786, 507582, 592179, 761373, 789572, 1015164, 1184358, 1522746, 1776537, 2368716, 3045492, 3553074, 5329611, 7106148, 10659222, 21318444]

約数ペア:

[(1, 21318444), (2, 10659222), (3, 7106148), (4, 5329611), (6, 3553074), (7, 3045492), (9, 2368716), (12, 1776537), (14, 1522746), (18, 1184358), (21, 1015164), (27, 789572), (28, 761373), (36, 592179), (42, 507582), (54, 394786), (63, 338388), (84, 253791), (108, 197393), (126, 169194), (163, 130788), (173, 123228), (189, 112796), (252, 84597), (326, 65394), (346, 61614), (378, 56398), (489, 43596), (519, 41076), (652, 32697), (692, 30807), (756, 28199), (978, 21798), (1038, 20538), (1141, 18684), (1211, 17604), (1467, 14532), (1557, 13692), (1956, 10899), (2076, 10269), (2282, 9342), (2422, 8802), (2934, 7266), (3114, 6846), (3423, 6228), (3633, 5868), (4401, 4844), (4564, 4671)]