21158160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{3833}}^1$

素因数の和:3872

約数の個数: 80

約数和(自身を含む): 68459904

約数和(自身を除く): 47301744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 230, 240, 276, 345, 368, 460, 552, 690, 920, 1104, 1380, 1840, 2760, 3833, 5520, 7666, 11499, 15332, 19165, 22998, 30664, 38330, 45996, 57495, 61328, 76660, 88159, 91992, 114990, 153320, 176318, 183984, 229980, 264477, 306640, 352636, 440795, 459960, 528954, 705272, 881590, 919920, 1057908, 1322385, 1410544, 1763180, 2115816, 2644770, 3526360, 4231632, 5289540, 7052720, 10579080, 21158160]

約数ペア:

[(1, 21158160), (2, 10579080), (3, 7052720), (4, 5289540), (5, 4231632), (6, 3526360), (8, 2644770), (10, 2115816), (12, 1763180), (15, 1410544), (16, 1322385), (20, 1057908), (23, 919920), (24, 881590), (30, 705272), (40, 528954), (46, 459960), (48, 440795), (60, 352636), (69, 306640), (80, 264477), (92, 229980), (115, 183984), (120, 176318), (138, 153320), (184, 114990), (230, 91992), (240, 88159), (276, 76660), (345, 61328), (368, 57495), (460, 45996), (552, 38330), (690, 30664), (920, 22998), (1104, 19165), (1380, 15332), (1840, 11499), (2760, 7666), (3833, 5520)]