21255336

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 39397464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 89, 93, 107, 124, 178, 186, 214, 248, 267, 279, 321, 356, 372, 428, 534, 558, 642, 712, 744, 801, 856, 963, 1068, 1116, 1284, 1602, 1926, 2136, 2232, 2568, 2759, 3204, 3317, 3852, 5518, 6408, 6634, 7704, 8277, 9523, 9951, 11036, 13268, 16554, 19046, 19902, 22072, 24831, 26536, 28569, 29853, 33108, 38092, 39804, 49662, 57138, 59706, 66216, 76184, 79608, 85707, 99324, 114276, 119412, 171414, 198648, 228552, 238824, 295213, 342828, 590426, 685656, 885639, 1180852, 1771278, 2361704, 2656917, 3542556, 5313834, 7085112, 10627668, 21255336]

約数ペア:

[(1, 21255336), (2, 10627668), (3, 7085112), (4, 5313834), (6, 3542556), (8, 2656917), (9, 2361704), (12, 1771278), (18, 1180852), (24, 885639), (31, 685656), (36, 590426), (62, 342828), (72, 295213), (89, 238824), (93, 228552), (107, 198648), (124, 171414), (178, 119412), (186, 114276), (214, 99324), (248, 85707), (267, 79608), (279, 76184), (321, 66216), (356, 59706), (372, 57138), (428, 49662), (534, 39804), (558, 38092), (642, 33108), (712, 29853), (744, 28569), (801, 26536), (856, 24831), (963, 22072), (1068, 19902), (1116, 19046), (1284, 16554), (1602, 13268), (1926, 11036), (2136, 9951), (2232, 9523), (2568, 8277), (2759, 7704), (3204, 6634), (3317, 6408), (3852, 5518)]