21207487920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2203}}^1\times {\mathrm{40111}}^1$

素因数の和:42330

約数の個数: 80

約数和(自身を含む): 65774694912

約数和(自身を除く): 44567206992

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2203, 4406, 6609, 8812, 11015, 13218, 17624, 22030, 26436, 33045, 35248, 40111, 44060, 52872, 66090, 80222, 88120, 105744, 120333, 132180, 160444, 176240, 200555, 240666, 264360, 320888, 401110, 481332, 528720, 601665, 641776, 802220, 962664, 1203330, 1604440, 1925328, 2406660, 3208880, 4813320, 9626640, 88364533, 176729066, 265093599, 353458132, 441822665, 530187198, 706916264, 883645330, 1060374396, 1325467995, 1413832528, 1767290660, 2120748792, 2650935990, 3534581320, 4241497584, 5301871980, 7069162640, 10603743960, 21207487920]

約数ペア:

[(1, 21207487920), (2, 10603743960), (3, 7069162640), (4, 5301871980), (5, 4241497584), (6, 3534581320), (8, 2650935990), (10, 2120748792), (12, 1767290660), (15, 1413832528), (16, 1325467995), (20, 1060374396), (24, 883645330), (30, 706916264), (40, 530187198), (48, 441822665), (60, 353458132), (80, 265093599), (120, 176729066), (240, 88364533), (2203, 9626640), (4406, 4813320), (6609, 3208880), (8812, 2406660), (11015, 1925328), (13218, 1604440), (17624, 1203330), (22030, 962664), (26436, 802220), (33045, 641776), (35248, 601665), (40111, 528720), (44060, 481332), (52872, 401110), (66090, 320888), (80222, 264360), (88120, 240666), (105744, 200555), (120333, 176240), (132180, 160444)]