21676788

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{541}}^1$

素因数の和:614

約数の個数: 96

約数和(自身を含む): 65560320

約数和(自身を除く): 43883532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 53, 54, 63, 84, 106, 108, 126, 159, 189, 212, 252, 318, 371, 378, 477, 541, 636, 742, 756, 954, 1082, 1113, 1431, 1484, 1623, 1908, 2164, 2226, 2862, 3246, 3339, 3787, 4452, 4869, 5724, 6492, 6678, 7574, 9738, 10017, 11361, 13356, 14607, 15148, 19476, 20034, 22722, 28673, 29214, 34083, 40068, 45444, 57346, 58428, 68166, 86019, 102249, 114692, 136332, 172038, 200711, 204498, 258057, 344076, 401422, 408996, 516114, 602133, 774171, 802844, 1032228, 1204266, 1548342, 1806399, 2408532, 3096684, 3612798, 5419197, 7225596, 10838394, 21676788]

約数ペア:

[(1, 21676788), (2, 10838394), (3, 7225596), (4, 5419197), (6, 3612798), (7, 3096684), (9, 2408532), (12, 1806399), (14, 1548342), (18, 1204266), (21, 1032228), (27, 802844), (28, 774171), (36, 602133), (42, 516114), (53, 408996), (54, 401422), (63, 344076), (84, 258057), (106, 204498), (108, 200711), (126, 172038), (159, 136332), (189, 114692), (212, 102249), (252, 86019), (318, 68166), (371, 58428), (378, 57346), (477, 45444), (541, 40068), (636, 34083), (742, 29214), (756, 28673), (954, 22722), (1082, 20034), (1113, 19476), (1431, 15148), (1484, 14607), (1623, 13356), (1908, 11361), (2164, 10017), (2226, 9738), (2862, 7574), (3246, 6678), (3339, 6492), (3787, 5724), (4452, 4869)]