21429060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 63673344

約数和(自身を除く): 42244284

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 41, 60, 62, 82, 93, 123, 124, 155, 164, 186, 205, 246, 281, 310, 372, 410, 465, 492, 562, 615, 620, 820, 843, 930, 1124, 1230, 1271, 1405, 1686, 1860, 2460, 2542, 2810, 3372, 3813, 4215, 5084, 5620, 6355, 7626, 8430, 8711, 11521, 12710, 15252, 16860, 17422, 19065, 23042, 25420, 26133, 34563, 34844, 38130, 43555, 46084, 52266, 57605, 69126, 76260, 87110, 104532, 115210, 130665, 138252, 172815, 174220, 230420, 261330, 345630, 357151, 522660, 691260, 714302, 1071453, 1428604, 1785755, 2142906, 3571510, 4285812, 5357265, 7143020, 10714530, 21429060]

約数ペア:

[(1, 21429060), (2, 10714530), (3, 7143020), (4, 5357265), (5, 4285812), (6, 3571510), (10, 2142906), (12, 1785755), (15, 1428604), (20, 1071453), (30, 714302), (31, 691260), (41, 522660), (60, 357151), (62, 345630), (82, 261330), (93, 230420), (123, 174220), (124, 172815), (155, 138252), (164, 130665), (186, 115210), (205, 104532), (246, 87110), (281, 76260), (310, 69126), (372, 57605), (410, 52266), (465, 46084), (492, 43555), (562, 38130), (615, 34844), (620, 34563), (820, 26133), (843, 25420), (930, 23042), (1124, 19065), (1230, 17422), (1271, 16860), (1405, 15252), (1686, 12710), (1860, 11521), (2460, 8711), (2542, 8430), (2810, 7626), (3372, 6355), (3813, 5620), (4215, 5084)]