21992670

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4987}}^1$

素因数の和:5014

約数の個数: 72

約数和(自身を含む): 66529944

約数和(自身を除く): 44537274

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4410, 4987, 9974, 14961, 24935, 29922, 34909, 44883, 49870, 69818, 74805, 89766, 104727, 149610, 174545, 209454, 224415, 244363, 314181, 349090, 448830, 488726, 523635, 628362, 733089, 1047270, 1221815, 1466178, 1570905, 2199267, 2443630, 3141810, 3665445, 4398534, 7330890, 10996335, 21992670]

約数ペア:

[(1, 21992670), (2, 10996335), (3, 7330890), (5, 4398534), (6, 3665445), (7, 3141810), (9, 2443630), (10, 2199267), (14, 1570905), (15, 1466178), (18, 1221815), (21, 1047270), (30, 733089), (35, 628362), (42, 523635), (45, 488726), (49, 448830), (63, 349090), (70, 314181), (90, 244363), (98, 224415), (105, 209454), (126, 174545), (147, 149610), (210, 104727), (245, 89766), (294, 74805), (315, 69818), (441, 49870), (490, 44883), (630, 34909), (735, 29922), (882, 24935), (1470, 14961), (2205, 9974), (4410, 4987)]