21640332

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{487}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 60449536

約数和(自身を除く): 38809204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 487, 529, 644, 966, 974, 1058, 1461, 1587, 1932, 1948, 2116, 2922, 3174, 3409, 3703, 5844, 6348, 6818, 7406, 10227, 11109, 11201, 13636, 14812, 20454, 22218, 22402, 33603, 40908, 44436, 44804, 67206, 78407, 134412, 156814, 235221, 257623, 313628, 470442, 515246, 772869, 940884, 1030492, 1545738, 1803361, 3091476, 3606722, 5410083, 7213444, 10820166, 21640332]

約数ペア:

[(1, 21640332), (2, 10820166), (3, 7213444), (4, 5410083), (6, 3606722), (7, 3091476), (12, 1803361), (14, 1545738), (21, 1030492), (23, 940884), (28, 772869), (42, 515246), (46, 470442), (69, 313628), (84, 257623), (92, 235221), (138, 156814), (161, 134412), (276, 78407), (322, 67206), (483, 44804), (487, 44436), (529, 40908), (644, 33603), (966, 22402), (974, 22218), (1058, 20454), (1461, 14812), (1587, 13636), (1932, 11201), (1948, 11109), (2116, 10227), (2922, 7406), (3174, 6818), (3409, 6348), (3703, 5844)]