21068712

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2459}}^1$

素因数の和:2495

約数の個数: 96

約数和(自身を含む): 69076800

約数和(自身を除く): 48008088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 21, 24, 28, 34, 36, 42, 51, 56, 63, 68, 72, 84, 102, 119, 126, 136, 153, 168, 204, 238, 252, 306, 357, 408, 476, 504, 612, 714, 952, 1071, 1224, 1428, 2142, 2459, 2856, 4284, 4918, 7377, 8568, 9836, 14754, 17213, 19672, 22131, 29508, 34426, 41803, 44262, 51639, 59016, 68852, 83606, 88524, 103278, 125409, 137704, 154917, 167212, 177048, 206556, 250818, 292621, 309834, 334424, 376227, 413112, 501636, 585242, 619668, 752454, 877863, 1003272, 1170484, 1239336, 1504908, 1755726, 2340968, 2633589, 3009816, 3511452, 5267178, 7022904, 10534356, 21068712]

約数ペア:

[(1, 21068712), (2, 10534356), (3, 7022904), (4, 5267178), (6, 3511452), (7, 3009816), (8, 2633589), (9, 2340968), (12, 1755726), (14, 1504908), (17, 1239336), (18, 1170484), (21, 1003272), (24, 877863), (28, 752454), (34, 619668), (36, 585242), (42, 501636), (51, 413112), (56, 376227), (63, 334424), (68, 309834), (72, 292621), (84, 250818), (102, 206556), (119, 177048), (126, 167212), (136, 154917), (153, 137704), (168, 125409), (204, 103278), (238, 88524), (252, 83606), (306, 68852), (357, 59016), (408, 51639), (476, 44262), (504, 41803), (612, 34426), (714, 29508), (952, 22131), (1071, 19672), (1224, 17213), (1428, 14754), (2142, 9836), (2459, 8568), (2856, 7377), (4284, 4918)]