21899910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1867}}^1$

素因数の和:1917

約数の個数: 64

約数和(自身を含む): 58102272

約数和(自身を除く): 36202362

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 46, 51, 69, 85, 102, 115, 138, 170, 230, 255, 345, 391, 510, 690, 782, 1173, 1867, 1955, 2346, 3734, 3910, 5601, 5865, 9335, 11202, 11730, 18670, 28005, 31739, 42941, 56010, 63478, 85882, 95217, 128823, 158695, 190434, 214705, 257646, 317390, 429410, 476085, 644115, 729997, 952170, 1288230, 1459994, 2189991, 3649985, 4379982, 7299970, 10949955, 21899910]

約数ペア:

[(1, 21899910), (2, 10949955), (3, 7299970), (5, 4379982), (6, 3649985), (10, 2189991), (15, 1459994), (17, 1288230), (23, 952170), (30, 729997), (34, 644115), (46, 476085), (51, 429410), (69, 317390), (85, 257646), (102, 214705), (115, 190434), (138, 158695), (170, 128823), (230, 95217), (255, 85882), (345, 63478), (391, 56010), (510, 42941), (690, 31739), (782, 28005), (1173, 18670), (1867, 11730), (1955, 11202), (2346, 9335), (3734, 5865), (3910, 5601)]