21214913360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{467}}^1\times {\mathrm{33403}}^1$

素因数の和:33900

約数の個数: 80

約数和(自身を含む): 52339525056

約数和(自身を除く): 31124611696

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 467, 680, 934, 1360, 1868, 2335, 3736, 4670, 7472, 7939, 9340, 15878, 18680, 31756, 33403, 37360, 39695, 63512, 66806, 79390, 127024, 133612, 158780, 167015, 267224, 317560, 334030, 534448, 567851, 635120, 668060, 1135702, 1336120, 2271404, 2672240, 2839255, 4542808, 5678510, 9085616, 11357020, 15599201, 22714040, 31198402, 45428080, 62396804, 77996005, 124793608, 155992010, 249587216, 265186417, 311984020, 530372834, 623968040, 1060745668, 1247936080, 1325932085, 2121491336, 2651864170, 4242982672, 5303728340, 10607456680, 21214913360]

約数ペア:

[(1, 21214913360), (2, 10607456680), (4, 5303728340), (5, 4242982672), (8, 2651864170), (10, 2121491336), (16, 1325932085), (17, 1247936080), (20, 1060745668), (34, 623968040), (40, 530372834), (68, 311984020), (80, 265186417), (85, 249587216), (136, 155992010), (170, 124793608), (272, 77996005), (340, 62396804), (467, 45428080), (680, 31198402), (934, 22714040), (1360, 15599201), (1868, 11357020), (2335, 9085616), (3736, 5678510), (4670, 4542808), (7472, 2839255), (7939, 2672240), (9340, 2271404), (15878, 1336120), (18680, 1135702), (31756, 668060), (33403, 635120), (37360, 567851), (39695, 534448), (63512, 334030), (66806, 317560), (79390, 267224), (127024, 167015), (133612, 158780)]