21488953486

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{175963}}^1$

素因数の和:176057

約数の個数: 64

約数和(自身を含む): 43988184576

約数和(自身を除く): 22499231090

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 61, 77, 91, 122, 143, 154, 182, 286, 427, 671, 793, 854, 1001, 1342, 1586, 2002, 4697, 5551, 8723, 9394, 11102, 17446, 61061, 122122, 175963, 351926, 1231741, 1935593, 2287519, 2463482, 3871186, 4575038, 10733743, 13549151, 16012633, 21467486, 25162709, 27098302, 32025266, 50325418, 75136201, 118071173, 139538659, 150272402, 176138963, 236142346, 279077318, 352277926, 826498211, 976770613, 1534925249, 1652996422, 1953541226, 3069850498, 10744476743, 21488953486]

約数ペア:

[(1, 21488953486), (2, 10744476743), (7, 3069850498), (11, 1953541226), (13, 1652996422), (14, 1534925249), (22, 976770613), (26, 826498211), (61, 352277926), (77, 279077318), (91, 236142346), (122, 176138963), (143, 150272402), (154, 139538659), (182, 118071173), (286, 75136201), (427, 50325418), (671, 32025266), (793, 27098302), (854, 25162709), (1001, 21467486), (1342, 16012633), (1586, 13549151), (2002, 10733743), (4697, 4575038), (5551, 3871186), (8723, 2463482), (9394, 2287519), (11102, 1935593), (17446, 1231741), (61061, 351926), (122122, 175963)]