21762650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4783}}^1$

素因数の和:4815

約数の個数: 48

約数和(自身を含む): 49830144

約数和(自身を除く): 28067494

約数列:

[1, 2, 5, 7, 10, 13, 14, 25, 26, 35, 50, 65, 70, 91, 130, 175, 182, 325, 350, 455, 650, 910, 2275, 4550, 4783, 9566, 23915, 33481, 47830, 62179, 66962, 119575, 124358, 167405, 239150, 310895, 334810, 435253, 621790, 837025, 870506, 1554475, 1674050, 2176265, 3108950, 4352530, 10881325, 21762650]

約数ペア:

[(1, 21762650), (2, 10881325), (5, 4352530), (7, 3108950), (10, 2176265), (13, 1674050), (14, 1554475), (25, 870506), (26, 837025), (35, 621790), (50, 435253), (65, 334810), (70, 310895), (91, 239150), (130, 167405), (175, 124358), (182, 119575), (325, 66962), (350, 62179), (455, 47830), (650, 33481), (910, 23915), (2275, 9566), (4550, 4783)]