21271161624

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{321239}}^1$

素因数の和:321368

約数の個数: 64

約数和(自身を含む): 55510272000

約数和(自身を除く): 34239110376

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 89, 93, 124, 178, 186, 248, 267, 356, 372, 534, 712, 744, 1068, 2136, 2759, 5518, 8277, 11036, 16554, 22072, 33108, 66216, 321239, 642478, 963717, 1284956, 1927434, 2569912, 3854868, 7709736, 9958409, 19916818, 28590271, 29875227, 39833636, 57180542, 59750454, 79667272, 85770813, 114361084, 119500908, 171541626, 228722168, 239001816, 343083252, 686166504, 886298401, 1772596802, 2658895203, 3545193604, 5317790406, 7090387208, 10635580812, 21271161624]

約数ペア:

[(1, 21271161624), (2, 10635580812), (3, 7090387208), (4, 5317790406), (6, 3545193604), (8, 2658895203), (12, 1772596802), (24, 886298401), (31, 686166504), (62, 343083252), (89, 239001816), (93, 228722168), (124, 171541626), (178, 119500908), (186, 114361084), (248, 85770813), (267, 79667272), (356, 59750454), (372, 57180542), (534, 39833636), (712, 29875227), (744, 28590271), (1068, 19916818), (2136, 9958409), (2759, 7709736), (5518, 3854868), (8277, 2569912), (11036, 1927434), (16554, 1284956), (22072, 963717), (33108, 642478), (66216, 321239)]