21870504

素因数分解:

$2^3\times 3^2\times {\mathrm{89}}^1\times {\mathrm{3413}}^1$

素因数の和:3514

約数の個数: 48

約数和(自身を含む): 59915700

約数和(自身を除く): 38045196

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 89, 178, 267, 356, 534, 712, 801, 1068, 1602, 2136, 3204, 3413, 6408, 6826, 10239, 13652, 20478, 27304, 30717, 40956, 61434, 81912, 122868, 245736, 303757, 607514, 911271, 1215028, 1822542, 2430056, 2733813, 3645084, 5467626, 7290168, 10935252, 21870504]

約数ペア:

[(1, 21870504), (2, 10935252), (3, 7290168), (4, 5467626), (6, 3645084), (8, 2733813), (9, 2430056), (12, 1822542), (18, 1215028), (24, 911271), (36, 607514), (72, 303757), (89, 245736), (178, 122868), (267, 81912), (356, 61434), (534, 40956), (712, 30717), (801, 27304), (1068, 20478), (1602, 13652), (2136, 10239), (3204, 6826), (3413, 6408)]