21850542

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^2$

素因数の和:234

約数の個数: 72

約数和(自身を含む): 57861648

約数和(自身を除く): 36011106

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 101, 102, 119, 126, 153, 202, 238, 303, 306, 357, 606, 707, 714, 909, 1071, 1414, 1717, 1818, 2121, 2142, 3434, 4242, 5151, 6363, 10201, 10302, 12019, 12726, 15453, 20402, 24038, 30603, 30906, 36057, 61206, 71407, 72114, 91809, 108171, 142814, 173417, 183618, 214221, 216342, 346834, 428442, 520251, 642663, 1040502, 1213919, 1285326, 1560753, 2427838, 3121506, 3641757, 7283514, 10925271, 21850542]

約数ペア:

[(1, 21850542), (2, 10925271), (3, 7283514), (6, 3641757), (7, 3121506), (9, 2427838), (14, 1560753), (17, 1285326), (18, 1213919), (21, 1040502), (34, 642663), (42, 520251), (51, 428442), (63, 346834), (101, 216342), (102, 214221), (119, 183618), (126, 173417), (153, 142814), (202, 108171), (238, 91809), (303, 72114), (306, 71407), (357, 61206), (606, 36057), (707, 30906), (714, 30603), (909, 24038), (1071, 20402), (1414, 15453), (1717, 12726), (1818, 12019), (2121, 10302), (2142, 10201), (3434, 6363), (4242, 5151)]