21207204

素因数分解:

$2^2\times 3^3\times {\mathrm{179}}^1\times {\mathrm{1097}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 55339200

約数和(自身を除く): 34131996

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 179, 358, 537, 716, 1074, 1097, 1611, 2148, 2194, 3222, 3291, 4388, 4833, 6444, 6582, 9666, 9873, 13164, 19332, 19746, 29619, 39492, 59238, 118476, 196363, 392726, 589089, 785452, 1178178, 1767267, 2356356, 3534534, 5301801, 7069068, 10603602, 21207204]

約数ペア:

[(1, 21207204), (2, 10603602), (3, 7069068), (4, 5301801), (6, 3534534), (9, 2356356), (12, 1767267), (18, 1178178), (27, 785452), (36, 589089), (54, 392726), (108, 196363), (179, 118476), (358, 59238), (537, 39492), (716, 29619), (1074, 19746), (1097, 19332), (1611, 13164), (2148, 9873), (2194, 9666), (3222, 6582), (3291, 6444), (4388, 4833)]