21766030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:553

約数の個数: 64

約数和(自身を含む): 47609856

約数和(自身を除く): 25843826

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 491, 682, 715, 806, 982, 1430, 1705, 2015, 2455, 3410, 4030, 4433, 4910, 5401, 6383, 8866, 10802, 12766, 15221, 22165, 27005, 30442, 31915, 44330, 54010, 63830, 70213, 76105, 140426, 152210, 167431, 197873, 334862, 351065, 395746, 702130, 837155, 989365, 1674310, 1978730, 2176603, 4353206, 10883015, 21766030]

約数ペア:

[(1, 21766030), (2, 10883015), (5, 4353206), (10, 2176603), (11, 1978730), (13, 1674310), (22, 989365), (26, 837155), (31, 702130), (55, 395746), (62, 351065), (65, 334862), (110, 197873), (130, 167431), (143, 152210), (155, 140426), (286, 76105), (310, 70213), (341, 63830), (403, 54010), (491, 44330), (682, 31915), (715, 30442), (806, 27005), (982, 22165), (1430, 15221), (1705, 12766), (2015, 10802), (2455, 8866), (3410, 6383), (4030, 5401), (4433, 4910)]