21756900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:394

約数の個数: 144

約数和(自身を含む): 72495360

約数和(自身を除く): 50738460

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 25, 30, 33, 38, 44, 50, 55, 57, 60, 66, 75, 76, 95, 100, 110, 114, 132, 150, 165, 190, 209, 220, 228, 275, 285, 300, 330, 347, 380, 418, 475, 550, 570, 627, 660, 694, 825, 836, 950, 1041, 1045, 1100, 1140, 1254, 1388, 1425, 1650, 1735, 1900, 2082, 2090, 2508, 2850, 3135, 3300, 3470, 3817, 4164, 4180, 5205, 5225, 5700, 6270, 6593, 6940, 7634, 8675, 10410, 10450, 11451, 12540, 13186, 15268, 15675, 17350, 19085, 19779, 20820, 20900, 22902, 26025, 26372, 31350, 32965, 34700, 38170, 39558, 45804, 52050, 57255, 62700, 65930, 72523, 76340, 79116, 95425, 98895, 104100, 114510, 131860, 145046, 164825, 190850, 197790, 217569, 229020, 286275, 290092, 329650, 362615, 381700, 395580, 435138, 494475, 572550, 659300, 725230, 870276, 988950, 1087845, 1145100, 1450460, 1813075, 1977900, 2175690, 3626150, 4351380, 5439225, 7252300, 10878450, 21756900]

約数ペア:

[(1, 21756900), (2, 10878450), (3, 7252300), (4, 5439225), (5, 4351380), (6, 3626150), (10, 2175690), (11, 1977900), (12, 1813075), (15, 1450460), (19, 1145100), (20, 1087845), (22, 988950), (25, 870276), (30, 725230), (33, 659300), (38, 572550), (44, 494475), (50, 435138), (55, 395580), (57, 381700), (60, 362615), (66, 329650), (75, 290092), (76, 286275), (95, 229020), (100, 217569), (110, 197790), (114, 190850), (132, 164825), (150, 145046), (165, 131860), (190, 114510), (209, 104100), (220, 98895), (228, 95425), (275, 79116), (285, 76340), (300, 72523), (330, 65930), (347, 62700), (380, 57255), (418, 52050), (475, 45804), (550, 39558), (570, 38170), (627, 34700), (660, 32965), (694, 31350), (825, 26372), (836, 26025), (950, 22902), (1041, 20900), (1045, 20820), (1100, 19779), (1140, 19085), (1254, 17350), (1388, 15675), (1425, 15268), (1650, 13186), (1735, 12540), (1900, 11451), (2082, 10450), (2090, 10410), (2508, 8675), (2850, 7634), (3135, 6940), (3300, 6593), (3470, 6270), (3817, 5700), (4164, 5225), (4180, 5205)]