21006288

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{8581}}^1$

素因数の和:8612

約数の個数: 60

約数和(自身を含む): 62253828

約数和(自身を除く): 41247540

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 272, 306, 408, 612, 816, 1224, 2448, 8581, 17162, 25743, 34324, 51486, 68648, 77229, 102972, 137296, 145877, 154458, 205944, 291754, 308916, 411888, 437631, 583508, 617832, 875262, 1167016, 1235664, 1312893, 1750524, 2334032, 2625786, 3501048, 5251572, 7002096, 10503144, 21006288]

約数ペア:

[(1, 21006288), (2, 10503144), (3, 7002096), (4, 5251572), (6, 3501048), (8, 2625786), (9, 2334032), (12, 1750524), (16, 1312893), (17, 1235664), (18, 1167016), (24, 875262), (34, 617832), (36, 583508), (48, 437631), (51, 411888), (68, 308916), (72, 291754), (102, 205944), (136, 154458), (144, 145877), (153, 137296), (204, 102972), (272, 77229), (306, 68648), (408, 51486), (612, 34324), (816, 25743), (1224, 17162), (2448, 8581)]