21550109910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{290707}}^1$

素因数の和:291077

約数の個数: 64

約数和(自身を含む): 59276524032

約数和(自身を除く): 37726414122

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 353, 706, 1059, 1765, 2118, 2471, 3530, 4942, 5295, 7413, 10590, 12355, 14826, 24710, 37065, 74130, 290707, 581414, 872121, 1453535, 1744242, 2034949, 2907070, 4069898, 4360605, 6104847, 8721210, 10174745, 12209694, 20349490, 30524235, 61048470, 102619571, 205239142, 307858713, 513097855, 615717426, 718336997, 1026195710, 1436673994, 1539293565, 2155010991, 3078587130, 3591684985, 4310021982, 7183369970, 10775054955, 21550109910]

約数ペア:

[(1, 21550109910), (2, 10775054955), (3, 7183369970), (5, 4310021982), (6, 3591684985), (7, 3078587130), (10, 2155010991), (14, 1539293565), (15, 1436673994), (21, 1026195710), (30, 718336997), (35, 615717426), (42, 513097855), (70, 307858713), (105, 205239142), (210, 102619571), (353, 61048470), (706, 30524235), (1059, 20349490), (1765, 12209694), (2118, 10174745), (2471, 8721210), (3530, 6104847), (4942, 4360605), (5295, 4069898), (7413, 2907070), (10590, 2034949), (12355, 1744242), (14826, 1453535), (24710, 872121), (37065, 581414), (74130, 290707)]