421974

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:229

約数の個数: 48

約数和(自身を含む): 1111968

約数和(自身を除く): 689994

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 197, 238, 306, 357, 394, 591, 714, 1071, 1182, 1379, 1773, 2142, 2758, 3349, 3546, 4137, 6698, 8274, 10047, 12411, 20094, 23443, 24822, 30141, 46886, 60282, 70329, 140658, 210987, 421974]

約数ペア:

[(1, 421974), (2, 210987), (3, 140658), (6, 70329), (7, 60282), (9, 46886), (14, 30141), (17, 24822), (18, 23443), (21, 20094), (34, 12411), (42, 10047), (51, 8274), (63, 6698), (102, 4137), (119, 3546), (126, 3349), (153, 2758), (197, 2142), (238, 1773), (306, 1379), (357, 1182), (394, 1071), (591, 714)]