21409560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{59471}}^1$

素因数の和:59488

約数の個数: 48

約数和(自身を含む): 69582240

約数和(自身を除く): 48172680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 59471, 118942, 178413, 237884, 297355, 356826, 475768, 535239, 594710, 713652, 892065, 1070478, 1189420, 1427304, 1784130, 2140956, 2378840, 2676195, 3568260, 4281912, 5352390, 7136520, 10704780, 21409560]

約数ペア:

[(1, 21409560), (2, 10704780), (3, 7136520), (4, 5352390), (5, 4281912), (6, 3568260), (8, 2676195), (9, 2378840), (10, 2140956), (12, 1784130), (15, 1427304), (18, 1189420), (20, 1070478), (24, 892065), (30, 713652), (36, 594710), (40, 535239), (45, 475768), (60, 356826), (72, 297355), (90, 237884), (120, 178413), (180, 118942), (360, 59471)]