21547838810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1\times {\mathrm{2467}}^1$

素因数の和:2951

約数の個数: 64

約数和(自身を含む): 41452922880

約数和(自身を除く): 19905084070

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 191, 269, 382, 538, 955, 1345, 1910, 2467, 2690, 3247, 4573, 4934, 6494, 9146, 12335, 16235, 22865, 24670, 32470, 41939, 45730, 51379, 83878, 102758, 209695, 256895, 419390, 471197, 513790, 663623, 873443, 942394, 1327246, 1746886, 2355985, 3318115, 4367215, 4711970, 6636230, 8010349, 8734430, 11281591, 16020698, 22563182, 40051745, 56407955, 80103490, 112815910, 126751993, 253503986, 633759965, 1267519930, 2154783881, 4309567762, 10773919405, 21547838810]

約数ペア:

[(1, 21547838810), (2, 10773919405), (5, 4309567762), (10, 2154783881), (17, 1267519930), (34, 633759965), (85, 253503986), (170, 126751993), (191, 112815910), (269, 80103490), (382, 56407955), (538, 40051745), (955, 22563182), (1345, 16020698), (1910, 11281591), (2467, 8734430), (2690, 8010349), (3247, 6636230), (4573, 4711970), (4934, 4367215), (6494, 3318115), (9146, 2355985), (12335, 1746886), (16235, 1327246), (22865, 942394), (24670, 873443), (32470, 663623), (41939, 513790), (45730, 471197), (51379, 419390), (83878, 256895), (102758, 209695)]