21189864

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1499}}^1$

素因数の和:1558

約数の個数: 64

約数和(自身を含む): 57600000

約数和(自身を除く): 36410136

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 93, 114, 124, 152, 186, 228, 248, 372, 456, 589, 744, 1178, 1499, 1767, 2356, 2998, 3534, 4497, 4712, 5996, 7068, 8994, 11992, 14136, 17988, 28481, 35976, 46469, 56962, 85443, 92938, 113924, 139407, 170886, 185876, 227848, 278814, 341772, 371752, 557628, 683544, 882911, 1115256, 1765822, 2648733, 3531644, 5297466, 7063288, 10594932, 21189864]

約数ペア:

[(1, 21189864), (2, 10594932), (3, 7063288), (4, 5297466), (6, 3531644), (8, 2648733), (12, 1765822), (19, 1115256), (24, 882911), (31, 683544), (38, 557628), (57, 371752), (62, 341772), (76, 278814), (93, 227848), (114, 185876), (124, 170886), (152, 139407), (186, 113924), (228, 92938), (248, 85443), (372, 56962), (456, 46469), (589, 35976), (744, 28481), (1178, 17988), (1499, 14136), (1767, 11992), (2356, 8994), (2998, 7068), (3534, 5996), (4497, 4712)]