21353360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2243}}^1$

素因数の和:2280

約数の個数: 80

約数和(自身を含む): 60103296

約数和(自身を除く): 38749936

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2243, 2380, 4486, 4760, 8972, 9520, 11215, 15701, 17944, 22430, 31402, 35888, 38131, 44860, 62804, 76262, 78505, 89720, 125608, 152524, 157010, 179440, 190655, 251216, 266917, 305048, 314020, 381310, 533834, 610096, 628040, 762620, 1067668, 1256080, 1334585, 1525240, 2135336, 2669170, 3050480, 4270672, 5338340, 10676680, 21353360]

約数ペア:

[(1, 21353360), (2, 10676680), (4, 5338340), (5, 4270672), (7, 3050480), (8, 2669170), (10, 2135336), (14, 1525240), (16, 1334585), (17, 1256080), (20, 1067668), (28, 762620), (34, 628040), (35, 610096), (40, 533834), (56, 381310), (68, 314020), (70, 305048), (80, 266917), (85, 251216), (112, 190655), (119, 179440), (136, 157010), (140, 152524), (170, 125608), (238, 89720), (272, 78505), (280, 76262), (340, 62804), (476, 44860), (560, 38131), (595, 35888), (680, 31402), (952, 22430), (1190, 17944), (1360, 15701), (1904, 11215), (2243, 9520), (2380, 8972), (4486, 4760)]