21284844

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{479}}^1$

素因数の和:539

約数の個数: 72

約数和(自身を含む): 59458560

約数和(自身を除く): 38173716

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 479, 483, 529, 644, 958, 966, 1058, 1437, 1587, 1916, 1932, 2116, 2874, 3174, 3353, 3703, 5748, 6348, 6706, 7406, 10059, 11017, 11109, 13412, 14812, 20118, 22034, 22218, 33051, 40236, 44068, 44436, 66102, 77119, 132204, 154238, 231357, 253391, 308476, 462714, 506782, 760173, 925428, 1013564, 1520346, 1773737, 3040692, 3547474, 5321211, 7094948, 10642422, 21284844]

約数ペア:

[(1, 21284844), (2, 10642422), (3, 7094948), (4, 5321211), (6, 3547474), (7, 3040692), (12, 1773737), (14, 1520346), (21, 1013564), (23, 925428), (28, 760173), (42, 506782), (46, 462714), (69, 308476), (84, 253391), (92, 231357), (138, 154238), (161, 132204), (276, 77119), (322, 66102), (479, 44436), (483, 44068), (529, 40236), (644, 33051), (958, 22218), (966, 22034), (1058, 20118), (1437, 14812), (1587, 13412), (1916, 11109), (1932, 11017), (2116, 10059), (2874, 7406), (3174, 6706), (3353, 6348), (3703, 5748)]