21033948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1237}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 53382560

約数和(自身を除く): 32348612

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 109, 156, 218, 327, 436, 654, 1237, 1308, 1417, 2474, 2834, 3711, 4251, 4948, 5668, 7422, 8502, 14844, 16081, 17004, 32162, 48243, 64324, 96486, 134833, 192972, 269666, 404499, 539332, 808998, 1617996, 1752829, 3505658, 5258487, 7011316, 10516974, 21033948]

約数ペア:

[(1, 21033948), (2, 10516974), (3, 7011316), (4, 5258487), (6, 3505658), (12, 1752829), (13, 1617996), (26, 808998), (39, 539332), (52, 404499), (78, 269666), (109, 192972), (156, 134833), (218, 96486), (327, 64324), (436, 48243), (654, 32162), (1237, 17004), (1308, 16081), (1417, 14844), (2474, 8502), (2834, 7422), (3711, 5668), (4251, 4948)]