21098436

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 55413120

約数和(自身を除く): 34314684

約数列:

[1, 2, 3, 4, 6, 12, 19, 37, 38, 41, 57, 61, 74, 76, 82, 111, 114, 122, 123, 148, 164, 183, 222, 228, 244, 246, 366, 444, 492, 703, 732, 779, 1159, 1406, 1517, 1558, 2109, 2257, 2318, 2337, 2501, 2812, 3034, 3116, 3477, 4218, 4514, 4551, 4636, 4674, 5002, 6068, 6771, 6954, 7503, 8436, 9028, 9102, 9348, 10004, 13542, 13908, 15006, 18204, 27084, 28823, 30012, 42883, 47519, 57646, 85766, 86469, 92537, 95038, 115292, 128649, 142557, 171532, 172938, 185074, 190076, 257298, 277611, 285114, 345876, 370148, 514596, 555222, 570228, 1110444, 1758203, 3516406, 5274609, 7032812, 10549218, 21098436]

約数ペア:

[(1, 21098436), (2, 10549218), (3, 7032812), (4, 5274609), (6, 3516406), (12, 1758203), (19, 1110444), (37, 570228), (38, 555222), (41, 514596), (57, 370148), (61, 345876), (74, 285114), (76, 277611), (82, 257298), (111, 190076), (114, 185074), (122, 172938), (123, 171532), (148, 142557), (164, 128649), (183, 115292), (222, 95038), (228, 92537), (244, 86469), (246, 85766), (366, 57646), (444, 47519), (492, 42883), (703, 30012), (732, 28823), (779, 27084), (1159, 18204), (1406, 15006), (1517, 13908), (1558, 13542), (2109, 10004), (2257, 9348), (2318, 9102), (2337, 9028), (2501, 8436), (2812, 7503), (3034, 6954), (3116, 6771), (3477, 6068), (4218, 5002), (4514, 4674), (4551, 4636)]