21000606780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15217831}}^1$

素因数の和:15217866

約数の個数: 48

約数和(自身を含む): 61358298624

約数和(自身を除く): 40357691844

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 15217831, 30435662, 45653493, 60871324, 76089155, 91306986, 152178310, 182613972, 228267465, 304356620, 350010113, 456534930, 700020226, 913069860, 1050030339, 1400040452, 1750050565, 2100060678, 3500101130, 4200121356, 5250151695, 7000202260, 10500303390, 21000606780]

約数ペア:

[(1, 21000606780), (2, 10500303390), (3, 7000202260), (4, 5250151695), (5, 4200121356), (6, 3500101130), (10, 2100060678), (12, 1750050565), (15, 1400040452), (20, 1050030339), (23, 913069860), (30, 700020226), (46, 456534930), (60, 350010113), (69, 304356620), (92, 228267465), (115, 182613972), (138, 152178310), (230, 91306986), (276, 76089155), (345, 60871324), (460, 45653493), (690, 30435662), (1380, 15217831)]