21211290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{10247}}^1$

素因数の和:10283

約数の個数: 48

約数和(自身を含む): 57552768

約数和(自身を除く): 36341478

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 10247, 20494, 30741, 51235, 61482, 92223, 102470, 153705, 184446, 235681, 307410, 461115, 471362, 707043, 922230, 1178405, 1414086, 2121129, 2356810, 3535215, 4242258, 7070430, 10605645, 21211290]

約数ペア:

[(1, 21211290), (2, 10605645), (3, 7070430), (5, 4242258), (6, 3535215), (9, 2356810), (10, 2121129), (15, 1414086), (18, 1178405), (23, 922230), (30, 707043), (45, 471362), (46, 461115), (69, 307410), (90, 235681), (115, 184446), (138, 153705), (207, 102470), (230, 92223), (345, 61482), (414, 51235), (690, 30741), (1035, 20494), (2070, 10247)]