21623880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2281}}^1$

素因数の和:2374

約数の個数: 64

約数和(自身を含む): 65721600

約数和(自身を除く): 44097720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 1185, 1580, 1896, 2281, 2370, 3160, 4562, 4740, 6843, 9124, 9480, 11405, 13686, 18248, 22810, 27372, 34215, 45620, 54744, 68430, 91240, 136860, 180199, 273720, 360398, 540597, 720796, 900995, 1081194, 1441592, 1801990, 2162388, 2702985, 3603980, 4324776, 5405970, 7207960, 10811940, 21623880]

約数ペア:

[(1, 21623880), (2, 10811940), (3, 7207960), (4, 5405970), (5, 4324776), (6, 3603980), (8, 2702985), (10, 2162388), (12, 1801990), (15, 1441592), (20, 1081194), (24, 900995), (30, 720796), (40, 540597), (60, 360398), (79, 273720), (120, 180199), (158, 136860), (237, 91240), (316, 68430), (395, 54744), (474, 45620), (632, 34215), (790, 27372), (948, 22810), (1185, 18248), (1580, 13686), (1896, 11405), (2281, 9480), (2370, 9124), (3160, 6843), (4562, 4740)]