21799908

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{15527}}^1$

素因数の和:15553

約数の個数: 48

約数和(自身を含む): 60869760

約数和(自身を除く): 39069852

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 108, 117, 156, 234, 351, 468, 702, 1404, 15527, 31054, 46581, 62108, 93162, 139743, 186324, 201851, 279486, 403702, 419229, 558972, 605553, 807404, 838458, 1211106, 1676916, 1816659, 2422212, 3633318, 5449977, 7266636, 10899954, 21799908]

約数ペア:

[(1, 21799908), (2, 10899954), (3, 7266636), (4, 5449977), (6, 3633318), (9, 2422212), (12, 1816659), (13, 1676916), (18, 1211106), (26, 838458), (27, 807404), (36, 605553), (39, 558972), (52, 419229), (54, 403702), (78, 279486), (108, 201851), (117, 186324), (156, 139743), (234, 93162), (351, 62108), (468, 46581), (702, 31054), (1404, 15527)]