21290598

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:362

約数の個数: 72

約数和(自身を含む): 54419040

約数和(自身を除く): 33128442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 101, 126, 147, 202, 239, 294, 303, 441, 478, 606, 707, 717, 882, 909, 1414, 1434, 1673, 1818, 2121, 2151, 3346, 4242, 4302, 4949, 5019, 6363, 9898, 10038, 11711, 12726, 14847, 15057, 23422, 24139, 29694, 30114, 35133, 44541, 48278, 70266, 72417, 89082, 105399, 144834, 168973, 210798, 217251, 337946, 434502, 506919, 1013838, 1182811, 1520757, 2365622, 3041514, 3548433, 7096866, 10645299, 21290598]

約数ペア:

[(1, 21290598), (2, 10645299), (3, 7096866), (6, 3548433), (7, 3041514), (9, 2365622), (14, 1520757), (18, 1182811), (21, 1013838), (42, 506919), (49, 434502), (63, 337946), (98, 217251), (101, 210798), (126, 168973), (147, 144834), (202, 105399), (239, 89082), (294, 72417), (303, 70266), (441, 48278), (478, 44541), (606, 35133), (707, 30114), (717, 29694), (882, 24139), (909, 23422), (1414, 15057), (1434, 14847), (1673, 12726), (1818, 11711), (2121, 10038), (2151, 9898), (3346, 6363), (4242, 5019), (4302, 4949)]