21882870

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1$

素因数の和:290

約数の個数: 96

約数和(自身を含む): 61102080

約数和(自身を除く): 39219210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 67, 90, 95, 114, 134, 171, 190, 191, 201, 285, 335, 342, 382, 402, 570, 573, 603, 670, 855, 955, 1005, 1146, 1206, 1273, 1710, 1719, 1910, 2010, 2546, 2865, 3015, 3438, 3629, 3819, 5730, 6030, 6365, 7258, 7638, 8595, 10887, 11457, 12730, 12797, 17190, 18145, 19095, 21774, 22914, 25594, 32661, 36290, 38190, 38391, 54435, 57285, 63985, 65322, 76782, 108870, 114570, 115173, 127970, 163305, 191955, 230346, 243143, 326610, 383910, 486286, 575865, 729429, 1151730, 1215715, 1458858, 2188287, 2431430, 3647145, 4376574, 7294290, 10941435, 21882870]

約数ペア:

[(1, 21882870), (2, 10941435), (3, 7294290), (5, 4376574), (6, 3647145), (9, 2431430), (10, 2188287), (15, 1458858), (18, 1215715), (19, 1151730), (30, 729429), (38, 575865), (45, 486286), (57, 383910), (67, 326610), (90, 243143), (95, 230346), (114, 191955), (134, 163305), (171, 127970), (190, 115173), (191, 114570), (201, 108870), (285, 76782), (335, 65322), (342, 63985), (382, 57285), (402, 54435), (570, 38391), (573, 38190), (603, 36290), (670, 32661), (855, 25594), (955, 22914), (1005, 21774), (1146, 19095), (1206, 18145), (1273, 17190), (1710, 12797), (1719, 12730), (1910, 11457), (2010, 10887), (2546, 8595), (2865, 7638), (3015, 7258), (3438, 6365), (3629, 6030), (3819, 5730)]