21223830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{7949}}^1$

素因数の和:8048

約数の個数: 32

約数和(自身を含む): 51516000

約数和(自身を除く): 30292170

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 89, 178, 267, 445, 534, 890, 1335, 2670, 7949, 15898, 23847, 39745, 47694, 79490, 119235, 238470, 707461, 1414922, 2122383, 3537305, 4244766, 7074610, 10611915, 21223830]

約数ペア:

[(1, 21223830), (2, 10611915), (3, 7074610), (5, 4244766), (6, 3537305), (10, 2122383), (15, 1414922), (30, 707461), (89, 238470), (178, 119235), (267, 79490), (445, 47694), (534, 39745), (890, 23847), (1335, 15898), (2670, 7949)]