21857594452

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{250741}}^1$

素因数の和:250832

約数の個数: 48

約数和(自身を含む): 42686318080

約数和(自身を除く): 20828723628

約数列:

[1, 2, 4, 19, 31, 37, 38, 62, 74, 76, 124, 148, 589, 703, 1147, 1178, 1406, 2294, 2356, 2812, 4588, 21793, 43586, 87172, 250741, 501482, 1002964, 4764079, 7772971, 9277417, 9528158, 15545942, 18554834, 19056316, 31091884, 37109668, 147686449, 176270923, 287599927, 295372898, 352541846, 575199854, 590745796, 705083692, 1150399708, 5464398613, 10928797226, 21857594452]

約数ペア:

[(1, 21857594452), (2, 10928797226), (4, 5464398613), (19, 1150399708), (31, 705083692), (37, 590745796), (38, 575199854), (62, 352541846), (74, 295372898), (76, 287599927), (124, 176270923), (148, 147686449), (589, 37109668), (703, 31091884), (1147, 19056316), (1178, 18554834), (1406, 15545942), (2294, 9528158), (2356, 9277417), (2812, 7772971), (4588, 4764079), (21793, 1002964), (43586, 501482), (87172, 250741)]