21298401480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{593}}^1\times {\mathrm{1307}}^1$

素因数の和:2143

約数の個数: 128

約数和(自身を含む): 64331625600

約数和(自身を除く): 43033224120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 229, 458, 593, 687, 916, 1145, 1186, 1307, 1374, 1779, 1832, 2290, 2372, 2614, 2748, 2965, 3435, 3558, 3921, 4580, 4744, 5228, 5496, 5930, 6535, 6870, 7116, 7842, 8895, 9160, 10456, 11860, 13070, 13740, 14232, 15684, 17790, 19605, 23720, 26140, 27480, 31368, 35580, 39210, 52280, 71160, 78420, 135797, 156840, 271594, 299303, 407391, 543188, 598606, 678985, 775051, 814782, 897909, 1086376, 1197212, 1357970, 1496515, 1550102, 1629564, 1795818, 2036955, 2325153, 2394424, 2715940, 2993030, 3100204, 3259128, 3591636, 3875255, 4073910, 4489545, 4650306, 5431880, 5986060, 6200408, 7183272, 7750510, 8147820, 8979090, 9300612, 11625765, 11972120, 15501020, 16295640, 17958180, 18601224, 23251530, 31002040, 35916360, 46503060, 93006120, 177486679, 354973358, 532460037, 709946716, 887433395, 1064920074, 1419893432, 1774866790, 2129840148, 2662300185, 3549733580, 4259680296, 5324600370, 7099467160, 10649200740, 21298401480]

約数ペア:

[(1, 21298401480), (2, 10649200740), (3, 7099467160), (4, 5324600370), (5, 4259680296), (6, 3549733580), (8, 2662300185), (10, 2129840148), (12, 1774866790), (15, 1419893432), (20, 1064920074), (24, 887433395), (30, 709946716), (40, 532460037), (60, 354973358), (120, 177486679), (229, 93006120), (458, 46503060), (593, 35916360), (687, 31002040), (916, 23251530), (1145, 18601224), (1186, 17958180), (1307, 16295640), (1374, 15501020), (1779, 11972120), (1832, 11625765), (2290, 9300612), (2372, 8979090), (2614, 8147820), (2748, 7750510), (2965, 7183272), (3435, 6200408), (3558, 5986060), (3921, 5431880), (4580, 4650306), (4744, 4489545), (5228, 4073910), (5496, 3875255), (5930, 3591636), (6535, 3259128), (6870, 3100204), (7116, 2993030), (7842, 2715940), (8895, 2394424), (9160, 2325153), (10456, 2036955), (11860, 1795818), (13070, 1629564), (13740, 1550102), (14232, 1496515), (15684, 1357970), (17790, 1197212), (19605, 1086376), (23720, 897909), (26140, 814782), (27480, 775051), (31368, 678985), (35580, 598606), (39210, 543188), (52280, 407391), (71160, 299303), (78420, 271594), (135797, 156840)]