21407670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7673}}^1$

素因数の和:7717

約数の個数: 48

約数和(自身を含む): 57462912

約数和(自身を除く): 36055242

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 7673, 15346, 23019, 38365, 46038, 69057, 76730, 115095, 138114, 230190, 237863, 345285, 475726, 690570, 713589, 1189315, 1427178, 2140767, 2378630, 3567945, 4281534, 7135890, 10703835, 21407670]

約数ペア:

[(1, 21407670), (2, 10703835), (3, 7135890), (5, 4281534), (6, 3567945), (9, 2378630), (10, 2140767), (15, 1427178), (18, 1189315), (30, 713589), (31, 690570), (45, 475726), (62, 345285), (90, 237863), (93, 230190), (155, 138114), (186, 115095), (279, 76730), (310, 69057), (465, 46038), (558, 38365), (930, 23019), (1395, 15346), (2790, 7673)]