21427836

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 51642528

約数和(自身を除く): 30214692

約数列:

[1, 2, 3, 4, 6, 12, 61, 73, 122, 146, 183, 219, 244, 292, 366, 401, 438, 732, 802, 876, 1203, 1604, 2406, 4453, 4812, 8906, 13359, 17812, 24461, 26718, 29273, 48922, 53436, 58546, 73383, 87819, 97844, 117092, 146766, 175638, 293532, 351276, 1785653, 3571306, 5356959, 7142612, 10713918, 21427836]

約数ペア:

[(1, 21427836), (2, 10713918), (3, 7142612), (4, 5356959), (6, 3571306), (12, 1785653), (61, 351276), (73, 293532), (122, 175638), (146, 146766), (183, 117092), (219, 97844), (244, 87819), (292, 73383), (366, 58546), (401, 53436), (438, 48922), (732, 29273), (802, 26718), (876, 24461), (1203, 17812), (1604, 13359), (2406, 8906), (4453, 4812)]