21434090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1163}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 41065920

約数和(自身を除く): 19631830

約数列:

[1, 2, 5, 10, 19, 38, 95, 97, 190, 194, 485, 970, 1163, 1843, 2326, 3686, 5815, 9215, 11630, 18430, 22097, 44194, 110485, 112811, 220970, 225622, 564055, 1128110, 2143409, 4286818, 10717045, 21434090]

約数ペア:

[(1, 21434090), (2, 10717045), (5, 4286818), (10, 2143409), (19, 1128110), (38, 564055), (95, 225622), (97, 220970), (190, 112811), (194, 110485), (485, 44194), (970, 22097), (1163, 18430), (1843, 11630), (2326, 9215), (3686, 5815)]