21295824

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:836

約数の個数: 80

約数和(自身を含む): 61228224

約数和(自身を除く): 39932400

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 53, 66, 88, 106, 132, 159, 176, 212, 264, 318, 424, 528, 583, 636, 761, 848, 1166, 1272, 1522, 1749, 2283, 2332, 2544, 3044, 3498, 4566, 4664, 6088, 6996, 8371, 9132, 9328, 12176, 13992, 16742, 18264, 25113, 27984, 33484, 36528, 40333, 50226, 66968, 80666, 100452, 120999, 133936, 161332, 200904, 241998, 322664, 401808, 443663, 483996, 645328, 887326, 967992, 1330989, 1774652, 1935984, 2661978, 3549304, 5323956, 7098608, 10647912, 21295824]

約数ペア:

[(1, 21295824), (2, 10647912), (3, 7098608), (4, 5323956), (6, 3549304), (8, 2661978), (11, 1935984), (12, 1774652), (16, 1330989), (22, 967992), (24, 887326), (33, 645328), (44, 483996), (48, 443663), (53, 401808), (66, 322664), (88, 241998), (106, 200904), (132, 161332), (159, 133936), (176, 120999), (212, 100452), (264, 80666), (318, 66968), (424, 50226), (528, 40333), (583, 36528), (636, 33484), (761, 27984), (848, 25113), (1166, 18264), (1272, 16742), (1522, 13992), (1749, 12176), (2283, 9328), (2332, 9132), (2544, 8371), (3044, 6996), (3498, 6088), (4566, 4664)]