21451290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{102149}}^1$

素因数の和:102166

約数の個数: 32

約数和(自身を含む): 58838400

約数和(自身を除く): 37387110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 102149, 204298, 306447, 510745, 612894, 715043, 1021490, 1430086, 1532235, 2145129, 3064470, 3575215, 4290258, 7150430, 10725645, 21451290]

約数ペア:

[(1, 21451290), (2, 10725645), (3, 7150430), (5, 4290258), (6, 3575215), (7, 3064470), (10, 2145129), (14, 1532235), (15, 1430086), (21, 1021490), (30, 715043), (35, 612894), (42, 510745), (70, 306447), (105, 204298), (210, 102149)]