21303522

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{373}}^1$

素因数の和:567

約数の個数: 48

約数和(自身を含む): 49008960

約数和(自身を除く): 27705438

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 167, 171, 334, 342, 373, 501, 746, 1002, 1119, 1503, 2238, 3006, 3173, 3357, 6346, 6714, 7087, 9519, 14174, 19038, 21261, 28557, 42522, 57114, 62291, 63783, 124582, 127566, 186873, 373746, 560619, 1121238, 1183529, 2367058, 3550587, 7101174, 10651761, 21303522]

約数ペア:

[(1, 21303522), (2, 10651761), (3, 7101174), (6, 3550587), (9, 2367058), (18, 1183529), (19, 1121238), (38, 560619), (57, 373746), (114, 186873), (167, 127566), (171, 124582), (334, 63783), (342, 62291), (373, 57114), (501, 42522), (746, 28557), (1002, 21261), (1119, 19038), (1503, 14174), (2238, 9519), (3006, 7087), (3173, 6714), (3357, 6346)]