21369918

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:201

約数の個数: 64

約数和(自身を含む): 47589120

約数和(自身を除く): 26219202

約数列:

[1, 2, 3, 6, 17, 34, 51, 53, 59, 67, 102, 106, 118, 134, 159, 177, 201, 318, 354, 402, 901, 1003, 1139, 1802, 2006, 2278, 2703, 3009, 3127, 3417, 3551, 3953, 5406, 6018, 6254, 6834, 7102, 7906, 9381, 10653, 11859, 18762, 21306, 23718, 53159, 60367, 67201, 106318, 120734, 134402, 159477, 181101, 201603, 209509, 318954, 362202, 403206, 419018, 628527, 1257054, 3561653, 7123306, 10684959, 21369918]

約数ペア:

[(1, 21369918), (2, 10684959), (3, 7123306), (6, 3561653), (17, 1257054), (34, 628527), (51, 419018), (53, 403206), (59, 362202), (67, 318954), (102, 209509), (106, 201603), (118, 181101), (134, 159477), (159, 134402), (177, 120734), (201, 106318), (318, 67201), (354, 60367), (402, 53159), (901, 23718), (1003, 21306), (1139, 18762), (1802, 11859), (2006, 10653), (2278, 9381), (2703, 7906), (3009, 7102), (3127, 6834), (3417, 6254), (3551, 6018), (3953, 5406)]