21365100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 70724640

約数和(自身を除く): 49359540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 41, 45, 50, 54, 60, 75, 82, 90, 100, 108, 123, 135, 150, 164, 180, 193, 205, 225, 246, 270, 300, 369, 386, 410, 450, 492, 540, 579, 615, 675, 738, 772, 820, 900, 965, 1025, 1107, 1158, 1230, 1350, 1476, 1737, 1845, 1930, 2050, 2214, 2316, 2460, 2700, 2895, 3075, 3474, 3690, 3860, 4100, 4428, 4825, 5211, 5535, 5790, 6150, 6948, 7380, 7913, 8685, 9225, 9650, 10422, 11070, 11580, 12300, 14475, 15826, 17370, 18450, 19300, 20844, 22140, 23739, 26055, 27675, 28950, 31652, 34740, 36900, 39565, 43425, 47478, 52110, 55350, 57900, 71217, 79130, 86850, 94956, 104220, 110700, 118695, 130275, 142434, 158260, 173700, 197825, 213651, 237390, 260550, 284868, 356085, 395650, 427302, 474780, 521100, 593475, 712170, 791300, 854604, 1068255, 1186950, 1424340, 1780425, 2136510, 2373900, 3560850, 4273020, 5341275, 7121700, 10682550, 21365100]

約数ペア:

[(1, 21365100), (2, 10682550), (3, 7121700), (4, 5341275), (5, 4273020), (6, 3560850), (9, 2373900), (10, 2136510), (12, 1780425), (15, 1424340), (18, 1186950), (20, 1068255), (25, 854604), (27, 791300), (30, 712170), (36, 593475), (41, 521100), (45, 474780), (50, 427302), (54, 395650), (60, 356085), (75, 284868), (82, 260550), (90, 237390), (100, 213651), (108, 197825), (123, 173700), (135, 158260), (150, 142434), (164, 130275), (180, 118695), (193, 110700), (205, 104220), (225, 94956), (246, 86850), (270, 79130), (300, 71217), (369, 57900), (386, 55350), (410, 52110), (450, 47478), (492, 43425), (540, 39565), (579, 36900), (615, 34740), (675, 31652), (738, 28950), (772, 27675), (820, 26055), (900, 23739), (965, 22140), (1025, 20844), (1107, 19300), (1158, 18450), (1230, 17370), (1350, 15826), (1476, 14475), (1737, 12300), (1845, 11580), (1930, 11070), (2050, 10422), (2214, 9650), (2316, 9225), (2460, 8685), (2700, 7913), (2895, 7380), (3075, 6948), (3474, 6150), (3690, 5790), (3860, 5535), (4100, 5211), (4428, 4825)]