21555150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 96

約数和(自身を含む): 57853440

約数和(自身を除く): 36298290

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 79, 85, 102, 107, 150, 158, 170, 214, 237, 255, 321, 395, 425, 474, 510, 535, 642, 790, 850, 1070, 1185, 1275, 1343, 1605, 1819, 1975, 2370, 2550, 2675, 2686, 3210, 3638, 3950, 4029, 5350, 5457, 5925, 6715, 8025, 8058, 8453, 9095, 10914, 11850, 13430, 16050, 16906, 18190, 20145, 25359, 27285, 33575, 40290, 42265, 45475, 50718, 54570, 67150, 84530, 90950, 100725, 126795, 136425, 143701, 201450, 211325, 253590, 272850, 287402, 422650, 431103, 633975, 718505, 862206, 1267950, 1437010, 2155515, 3592525, 4311030, 7185050, 10777575, 21555150]

約数ペア:

[(1, 21555150), (2, 10777575), (3, 7185050), (5, 4311030), (6, 3592525), (10, 2155515), (15, 1437010), (17, 1267950), (25, 862206), (30, 718505), (34, 633975), (50, 431103), (51, 422650), (75, 287402), (79, 272850), (85, 253590), (102, 211325), (107, 201450), (150, 143701), (158, 136425), (170, 126795), (214, 100725), (237, 90950), (255, 84530), (321, 67150), (395, 54570), (425, 50718), (474, 45475), (510, 42265), (535, 40290), (642, 33575), (790, 27285), (850, 25359), (1070, 20145), (1185, 18190), (1275, 16906), (1343, 16050), (1605, 13430), (1819, 11850), (1975, 10914), (2370, 9095), (2550, 8453), (2675, 8058), (2686, 8025), (3210, 6715), (3638, 5925), (3950, 5457), (4029, 5350)]