21857388588

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{858769}}^1$

素因数の和:858887

約数の個数: 72

約数和(自身を含む): 63768825120

約数和(自身を除く): 41911436532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 909, 1212, 1414, 1818, 2121, 2828, 3636, 4242, 6363, 8484, 12726, 25452, 858769, 1717538, 2576307, 3435076, 5152614, 6011383, 7728921, 10305228, 12022766, 15457842, 18034149, 24045532, 30915684, 36068298, 54102447, 72136596, 86735669, 108204894, 173471338, 216409788, 260207007, 346942676, 520414014, 607149683, 780621021, 1040828028, 1214299366, 1561242042, 1821449049, 2428598732, 3122484084, 3642898098, 5464347147, 7285796196, 10928694294, 21857388588]

約数ペア:

[(1, 21857388588), (2, 10928694294), (3, 7285796196), (4, 5464347147), (6, 3642898098), (7, 3122484084), (9, 2428598732), (12, 1821449049), (14, 1561242042), (18, 1214299366), (21, 1040828028), (28, 780621021), (36, 607149683), (42, 520414014), (63, 346942676), (84, 260207007), (101, 216409788), (126, 173471338), (202, 108204894), (252, 86735669), (303, 72136596), (404, 54102447), (606, 36068298), (707, 30915684), (909, 24045532), (1212, 18034149), (1414, 15457842), (1818, 12022766), (2121, 10305228), (2828, 7728921), (3636, 6011383), (4242, 5152614), (6363, 3435076), (8484, 2576307), (12726, 1717538), (25452, 858769)]