21272119740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1319}}^1\times {\mathrm{89597}}^1$

素因数の和:90931

約数の個数: 72

約数和(自身を含む): 64575070560

約数和(自身を除く): 43302950820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1319, 2638, 3957, 5276, 6595, 7914, 11871, 13190, 15828, 19785, 23742, 26380, 39570, 47484, 59355, 79140, 89597, 118710, 179194, 237420, 268791, 358388, 447985, 537582, 806373, 895970, 1075164, 1343955, 1612746, 1791940, 2687910, 3225492, 4031865, 5375820, 8063730, 16127460, 118178443, 236356886, 354535329, 472713772, 590892215, 709070658, 1063605987, 1181784430, 1418141316, 1772676645, 2127211974, 2363568860, 3545353290, 4254423948, 5318029935, 7090706580, 10636059870, 21272119740]

約数ペア:

[(1, 21272119740), (2, 10636059870), (3, 7090706580), (4, 5318029935), (5, 4254423948), (6, 3545353290), (9, 2363568860), (10, 2127211974), (12, 1772676645), (15, 1418141316), (18, 1181784430), (20, 1063605987), (30, 709070658), (36, 590892215), (45, 472713772), (60, 354535329), (90, 236356886), (180, 118178443), (1319, 16127460), (2638, 8063730), (3957, 5375820), (5276, 4031865), (6595, 3225492), (7914, 2687910), (11871, 1791940), (13190, 1612746), (15828, 1343955), (19785, 1075164), (23742, 895970), (26380, 806373), (39570, 537582), (47484, 447985), (59355, 358388), (79140, 268791), (89597, 237420), (118710, 179194)]