21994900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 50871744

約数和(自身を除く): 28876844

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 73, 92, 100, 115, 131, 146, 230, 262, 292, 365, 460, 524, 575, 655, 730, 1150, 1310, 1460, 1679, 1825, 2300, 2620, 3013, 3275, 3358, 3650, 6026, 6550, 6716, 7300, 8395, 9563, 12052, 13100, 15065, 16790, 19126, 30130, 33580, 38252, 41975, 47815, 60260, 75325, 83950, 95630, 150650, 167900, 191260, 219949, 239075, 301300, 439898, 478150, 879796, 956300, 1099745, 2199490, 4398980, 5498725, 10997450, 21994900]

約数ペア:

[(1, 21994900), (2, 10997450), (4, 5498725), (5, 4398980), (10, 2199490), (20, 1099745), (23, 956300), (25, 879796), (46, 478150), (50, 439898), (73, 301300), (92, 239075), (100, 219949), (115, 191260), (131, 167900), (146, 150650), (230, 95630), (262, 83950), (292, 75325), (365, 60260), (460, 47815), (524, 41975), (575, 38252), (655, 33580), (730, 30130), (1150, 19126), (1310, 16790), (1460, 15065), (1679, 13100), (1825, 12052), (2300, 9563), (2620, 8395), (3013, 7300), (3275, 6716), (3358, 6550), (3650, 6026)]