21067060

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 53625600

約数和(自身を除く): 32558540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 83, 98, 140, 148, 166, 185, 196, 245, 259, 332, 343, 370, 415, 490, 518, 581, 686, 740, 830, 980, 1036, 1162, 1295, 1372, 1660, 1715, 1813, 2324, 2590, 2905, 3071, 3430, 3626, 4067, 5180, 5810, 6142, 6860, 7252, 8134, 9065, 11620, 12284, 12691, 15355, 16268, 18130, 20335, 21497, 25382, 28469, 30710, 36260, 40670, 42994, 50764, 56938, 61420, 63455, 81340, 85988, 107485, 113876, 126910, 142345, 150479, 214970, 253820, 284690, 300958, 429940, 569380, 601916, 752395, 1053353, 1504790, 2106706, 3009580, 4213412, 5266765, 10533530, 21067060]

約数ペア:

[(1, 21067060), (2, 10533530), (4, 5266765), (5, 4213412), (7, 3009580), (10, 2106706), (14, 1504790), (20, 1053353), (28, 752395), (35, 601916), (37, 569380), (49, 429940), (70, 300958), (74, 284690), (83, 253820), (98, 214970), (140, 150479), (148, 142345), (166, 126910), (185, 113876), (196, 107485), (245, 85988), (259, 81340), (332, 63455), (343, 61420), (370, 56938), (415, 50764), (490, 42994), (518, 40670), (581, 36260), (686, 30710), (740, 28469), (830, 25382), (980, 21497), (1036, 20335), (1162, 18130), (1295, 16268), (1372, 15355), (1660, 12691), (1715, 12284), (1813, 11620), (2324, 9065), (2590, 8134), (2905, 7252), (3071, 6860), (3430, 6142), (3626, 5810), (4067, 5180)]