21226170

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1657}}^1$

素因数の和:1735

約数の個数: 64

約数和(自身を含む): 59210496

約数和(自身を除く): 37984326

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 183, 210, 305, 366, 427, 610, 854, 915, 1281, 1657, 1830, 2135, 2562, 3314, 4270, 4971, 6405, 8285, 9942, 11599, 12810, 16570, 23198, 24855, 34797, 49710, 57995, 69594, 101077, 115990, 173985, 202154, 303231, 347970, 505385, 606462, 707539, 1010770, 1415078, 1516155, 2122617, 3032310, 3537695, 4245234, 7075390, 10613085, 21226170]

約数ペア:

[(1, 21226170), (2, 10613085), (3, 7075390), (5, 4245234), (6, 3537695), (7, 3032310), (10, 2122617), (14, 1516155), (15, 1415078), (21, 1010770), (30, 707539), (35, 606462), (42, 505385), (61, 347970), (70, 303231), (105, 202154), (122, 173985), (183, 115990), (210, 101077), (305, 69594), (366, 57995), (427, 49710), (610, 34797), (854, 24855), (915, 23198), (1281, 16570), (1657, 12810), (1830, 11599), (2135, 9942), (2562, 8285), (3314, 6405), (4270, 4971)]