21919958640

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:450

約数の個数: 640

約数和(自身を含む): 83468943360

約数和(自身を除く): 61548984720

約数列:

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約数ペア:

[(1, 21919958640), (2, 10959979320), (3, 7306652880), (4, 5479989660), (5, 4383991728), (6, 3653326440), (8, 2739994830), (9, 2435550960), (10, 2191995864), (12, 1826663220), (15, 1461330576), (16, 1369997415), (18, 1217775480), (20, 1095997932), (23, 953041680), (24, 913331610), (27, 811850320), (30, 730665288), (31, 707095440), (36, 608887740), (40, 547998966), (43, 509766480), (45, 487110192), (46, 476520840), (48, 456665805), (54, 405925160), (60, 365332644), (62, 353547720), (69, 317680560), (72, 304443870), (80, 273999483), (86, 254883240), (90, 243555096), (92, 238260420), (93, 235698480), (108, 202962580), (115, 190608336), (120, 182666322), (124, 176773860), (129, 169922160), (135, 162370064), (138, 158840280), (144, 152221935), (155, 141419088), (172, 127441620), (180, 121777548), (184, 119130210), (186, 117849240), (207, 105893520), (215, 101953296), (216, 101481290), (230, 95304168), (240, 91333161), (248, 88386930), (258, 84961080), (270, 81185032), (276, 79420140), (279, 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